| Team Name | Roster | League Name | Level | G | W | L | Pct | GBL | Rk | RF | RA | Diff | Manager | Ballpark |
| Baltimore Orioles | Stats -- Roster | American League | MLB | 162 | 47 | 115 | .290 | 61.0 | 5 | 622 | 892 | -270 | Buck Showalter | Oriole Park at Camden Yards |
| Norfolk Tides | Stats -- Roster | International League | AAA | 184 | 69 | 71 | .493 | 10.5 | 3 | 601 | 610 | -9 | Ron Johnson | Harbor Park |
| Bowie Baysox | Stats -- Roster | Eastern League | AA | 182 | 67 | 71 | .486 | 11.0 | 4 | 649 | 670 | -21 | Gary Kendall | Prince George's Stadium |
| Frederick Keys | Stats -- Roster | Carolina League | A+ | 180 | 65 | 72 | .474 | 9.5 | 4 | 571 | 724 | -153 | Ryan Minor | Nymeo Field at Harry Grove Stadium |
| Delmarva Shorebirds | Stats -- Roster | South Atlantic League | A | 183 | 68 | 66 | .507 | 17.0 | 4 | 587 | 527 | +60 | Buck Britton | Arthur W. Perdue Stadium |
| Aberdeen IronBirds | Stats -- Roster | New York-Penn League | A- | 153 | 38 | 37 | .507 | 7.0 | 4 | 307 | 309 | -2 | Kevin Bradshaw | Leidos Field at Ripken Stadium |
| Dominican Orioles | Stats -- Roster | Dominican Summer League | Rk | 153 | 38 | 34 | .528 | 10.0 | 3 | 315 | 307 | +8 | ||
| Gulf Coast Orioles | Stats -- Roster | Gulf Coast League | Rk | 128 | 13 | 42 | .236 | 20.0 | 4 | 173 | 274 | -101 | Carlos Tosca | Ed Smith Stadium |
| Organizational Totals: | 913 | 405 | 508 | .444 | 3825 | 4313 | -488 | |||||||
2018 Organizational Org Roster | Top | PREV | Major Leaguers | Active Players | 1st Round Draft Picks | Still Active on Roster |
| Player Name | Pos | Team(s) | Ht | Wt | B-T | BornDate | Age | Place | HiLvl | Stat Years | MLB Years | Draft Information | College(s) | Status | Current Org (Level) |
| Keegan Akin | P | Bowie (AA) | 6-0 | 225 | L-L | 1995-04-01 | 23 | Alma,Michigan | AA | 2014-2018 | - | 2016- 2- 54-BAL | Western Michigan U. | Minors | Baltimore Orioles (AA) |
| Jose Alejandro | P | DSL Orioles (Rk) | 6-3 | 190 | R-R | 1995-06-20 | 23 | San Pedro de Mac,Dom Rep | Rk | 2015-2018 | - | (MLB) | |||
| Diogenes Almengo | P | Aberdeen (A-) Delmarva (A) | 6-2 | 190 | R-R | 1995-06-02 | 23 | Santiago,Dom Rep | A | 2014-2018 | - | Minors | Baltimore Orioles (A) | ||
| Cristian Alvarado | P | Frederick (A+) | 6-3 | 175 | R-R | 1994-09-20 | 23 | Acarigua,Venezuela | A+ | 2012-2018 | - | Minors | Baltimore Orioles (A+) | ||
| Dariel Alvarez | OF | GCL Orioles (Rk) | 6-2 | 180 | R-R | 1988-11-07 | 29 | Camaguey,Cuba | MLB | 2013-2018 | 2015-2016 | 2013- UDFA-BAL | Free Agent | - (MLB) | |
| Pedro Alvarez | 3B | Norfolk (AAA) Baltimore (MLB) | 6-2 | 225 | L-R | 1987-02-06 | 31 | New York,New York | MLB | 2006-2018 | 2010-2018 | 2008- 1- 2-PIT | Vanderbilt U. | Minors | Miami Marlins (MLB) |
| John Andreoli | OF | Baltimore (MLB) | 6-1 | 200 | R-R | 1990-06-09 | 28 | Shrewsbury,Massachusetts | MLB | 2009-2018 | 2018-2018 | 2011-17- 519-CHN | Connecticut | Minors | San Francisco Giants (MLB) |
| Cesar Angomas | P | DSL Orioles (Rk) | 6-3 | 200 | L-L | 2000-04-19 | 18 | San Pedro de Mac,Dom Rep | Rk | 2017-2018 | - | (MLB) | |||
| Jayson Aquino | P | Bowie (AA) Norfolk (AAA) | 6-1 | 170 | L-L | 1992-11-22 | 25 | Santo Domingo,Dom Rep | MLB | 2010-2018 | 2016-2017 | 2009- UDFA-COL | Free Agent | - (MLB) | |
| Armando Araiza | C | Bowie (AA) Norfolk (AAA) | 5-11 | 185 | R-R | 1993-06-19 | 25 | Magdalena de Kino,Mexico | AAA | 2011-2018 | - | Free Agent | - (MLB) | ||
| Elvis Araujo | P | Frederick (A+) | 6-6 | 215 | L-L | 1991-07-15 | 26 | Maracaibo,Venezuela | MLB | 2011-2018 | 2015-2016 | 2007- UDFA-CLE | Free Agent | - (MLB) | |
| Pedro Araujo | P | Baltimore (MLB) | 6-3 | 214 | R-R | 1993-07-02 | 24 | San Cristobal,Dom Rep | MLB | 2011-2018 | 2018-2018 | Active | Baltimore Orioles (MLB) | ||
| Johsson Arias | P | DSL Orioles (Rk) | 6-1 | 178 | R-R | 1994-04-03 | 24 | Santo Domingo,Dom Rep | Rk | 2016-2018 | - | Free Agent | (MLB) | ||
| Bryndan Arredondo | C | Aberdeen (A-) | 6-0 | 204 | R-R | 1994-11-08 | 23 | Lubbock,Texas | A- | 2017-2018 | - | 2017-23- 698-BAL | Lamar U., Midland Col | Minors | Baltimore Orioles (A-) |
| Carlos Baez | 1B | GCL Orioles (Rk) | 6-3 | 175 | R-R | 1997-11-22 | 20 | San Cristobal,Dom Rep | A- | 2015-2018 | - | Minors | Baltimore Orioles (Rk) | ||
| Rylan Bannon | IF | Bowie (AA) | 5-10 | 165 | R-R | 1996-04-22 | 22 | Joliet,Illinois | AA | 2015-2018 | - | 2017- 8- 250-LAN | Xavier U. | Minors | Baltimore Orioles (AA) |
| Richard Barcenas | OF | DSL Orioles (Rk) | 6-1 | 165 | R-R | 1997-10-22 | 20 | Ocumare del Tuy,Venezuela | Rk | 2015-2018 | - | 2014- UDFA-BAL | (MLB) | ||
| Mike Baumann | P | Delmarva (A) Frederick (A+) | 6-4 | 200 | R-R | 1995-09-10 | 22 | Mahtomedi,Minnesota | A+ | 2015-2018 | - | 2017- 3- 98-BAL | Jacksonville U. | Minors | Baltimore Orioles (A+) |
| Felix Bautista | P | GCL Orioles (Rk) | 6-5 | 190 | R-R | 1995-06-20 | 23 | Santo Domingo,Dom Rep | Rk | 2013-2018 | - | Minors | Baltimore Orioles (Rk) | ||
| Welbin Bautista | C | DSL Orioles (Rk) | 6-0 | 180 | R-R | 1998-05-07 | 20 | Santo Domingo,Dom Rep | Rk | 2015-2018 | - | 2014- UDFA-MIA | Free Agent | (MLB) | |
| Matt Beaird | C | GCL Orioles (Rk) | 6-0 | 170 | L-R | 1996-05-24 | 22 | Johnson City,Tennessee | Rk | 2015-2018 | - | 2018-36-1075-BAL | Coastal Carolina U. | Minors | Baltimore Orioles (Rk) |
| Branden Becker | SS | Delmarva (A) | 6-1 | 175 | L-R | 1996-09-13 | 21 | San Bernardino,California | A+ | 2015-2018 | - | 2015-17- 523-BAL | Minors | Baltimore Orioles (A-) | |
| Tim Beckham | SS | Bowie (AA) Norfolk (AAA) Baltimore (MLB) | 6-0 | 188 | R-R | 1990-01-27 | 28 | Griffin,Georgia | MLB | 2008-2018 | 2013-2018 | 2008- 1- 1-TBA | Active | Seattle Mariners (MLB) | |
| Cole Billingsley | OF | Frederick (A+) | 5-10 | 170 | L-L | 1994-05-29 | 24 | Birmingham,Alabama | AA | 2013-2018 | - | 2016-19- 571-BAL | South Alabama | Minors | Baltimore Orioles (AA) |
| Christian Binford | P | Bowie (AA) | 6-6 | 208 | R-R | 1992-12-20 | 25 | Huntingdon Valley,Pennsylvania | AAA | 2012-2018 | - | 2011-30- 906-KCA | Minors | Detroit Tigers (AA) | |
| Cameron Bishop | P | Delmarva (A) | 6-4 | 215 | L-L | 1996-02-14 | 22 | Brea,California | A | 2015-2018 | - | 2017-26- 788-BAL | California-Irvine | Minors | Baltimore Orioles (A) |
| Richard Bleier | P | Baltimore (MLB) | 6-3 | 195 | L-L | 1987-04-16 | 31 | Davie,Florida | MLB | 2006-2018 | 2016-2018 | 2008- 6- 183-TEX | Florida Gulf Coast U. | Active | Baltimore Orioles (MLB) |
| Brandon Bonilla | P | Aberdeen (A-) Delmarva (A) | 6-3 | 200 | R-L | 1993-10-21 | 24 | Stamford,Connecticut | A | 2012-2018 | - | 2016-13- 391-BAL | Arizona St, Grand Canyon U., Hawaii Pacific U. | Minors | Baltimore Orioles (A) |
| Brad Brach | P | Baltimore (MLB) | 6-4 | 210 | R-R | 1986-04-12 | 32 | Freehold,New Jersey | MLB | 2005-2018 | 2011-2018 | 2008-42-1275-SDN | Monmouth U. | Active | Chicago Cubs (MLB) |
| Ben Breazeale | C | Delmarva (A) | 6-0 | 210 | L-R | 1994-10-21 | 23 | louisville,Tennessee | A | 2014-2018 | - | 2017- 7- 218-BAL | Wake Forest U. | Minors | Baltimore Orioles (A-) |
| Oscar Brito | P | DSL Orioles (Rk) | 6-5 | 195 | R-R | 1995-12-25 | 22 | San Cristobal,Dom Rep | Rk | 2016-2018 | - | (MLB) | |||
| Zach Britton | P | Frederick (A+) Bowie (AA) Norfolk (AAA) Baltimore (MLB) | 6-3 | 190 | L-L | 1987-12-22 | 30 | Panorama City,California | MLB | 2006-2018 | 2011-2018 | 2006- 3- 85-BAL | Active | New York Yankees (MLB) | |
| Jacob Brown | OF | GCL Orioles (Rk) | 5-9 | 190 | R-R | 1999-02-16 | 19 | McLeansville,North Carolina | Rk | 2017-2018 | - | 2017-18- 548-BAL | Minors | Baltimore Orioles (Rk) | |
| Jaycob Brugman | OF | Bowie (AA) Norfolk (AAA) | 5-11 | 170 | L-L | 1992-01-18 | 26 | Phoenix,Arizona | MLB | 2011-2018 | 2017-2017 | 2013-17- 521-OAK | Brigham Young U. | Minors | Baltimore Orioles (AAA) |
| Dylan Bundy | P | Baltimore (MLB) | 6-1 | 200 | B-R | 1992-11-15 | 25 | Tulsa,Oklahoma | MLB | 2012-2018 | 2012-2018 | 2011- 1- 4-BAL | Active | Baltimore Orioles (MLB) | |
| Michael Burke | P-SS | Frederick (A+) | 6-2 | 200 | R-R | 1992-08-27 | 25 | Cleveland,Ohio | A+ | 2011-2018 | - | 2014-30- 901-BAL | University at Buffalo | Free Agent | - (MLB) |
| Scott Burke | P | Delmarva (A) | 6-3 | 175 | R-R | 1994-06-02 | 24 | Glendora,California | A | 2014-2018 | - | 2013-31- 917-HOU | UCLA | Minors | Baltimore Orioles (A) |
| Jean Carmona | SS | Aberdeen (A-) | 6-1 | 183 | B-R | 1999-10-31 | 18 | San Juan De La Maguana,Dom Rep | A- | 2017-2018 | - | 2016- UDFA-MIL | Minors | Baltimore Orioles (A-) | |
| Jean Carrillo | C | Delmarva (A) | 6-0 | 200 | R-R | 1997-06-16 | 21 | Panama City,Panama | A | 2014-2018 | - | Minors | Baltimore Orioles (A) | ||
| Cody Carroll | P | Norfolk (AAA) Baltimore (MLB) | 6-5 | 200 | R-R | 1992-10-15 | 25 | Mount Juliet,Tennessee | MLB | 2013-2018 | 2018-2018 | 2015-22- 663-NYA | So.Mississippi | Active | Baltimore Orioles (MLB) |
| Andrew Cashner | P | Baltimore (MLB) | 6-5 | 185 | R-R | 1986-09-11 | 31 | Montgomery,Texas | MLB | 2006-2018 | 2010-2018 | 2008- 1- 19-CHN | Texas Christian U., Angelina Col | Active | Baltimore Orioles (MLB) |
| Miguel Castro | P | Baltimore (MLB) | 6-5 | 190 | R-R | 1994-12-24 | 23 | La Romana,Dom Rep | MLB | 2012-2018 | 2015-2018 | 2012- UDFA-TOR | Active | Baltimore Orioles (MLB) | |
| Ricardo Castro | OF | DSL Orioles (Rk) | 6-0 | 185 | R-R | 1999-12-08 | 18 | Caracas,Venezuela | Rk | 2018-2018 | - | (MLB) | |||
| Martin Cervenka | C | Bowie (AA) | 6-1 | 175 | R-R | 1992-08-03 | 25 | Prague,Czech Republic | AAA | 2011-2018 | - | Minors | Baltimore Orioles (AA) | ||
| Tanner Chleborad | P | Bowie (AA) | 6-6 | 185 | R-R | 1992-11-04 | 25 | Rapid City,South Dakota | AA | 2012-2018 | - | 2014-16- 481-BAL | Washington St | Minors | Baltimore Orioles (AA) |
| Andrew Ciolli | P | GCL Orioles (Rk) | 6-5 | 190 | R-R | 1996-03-28 | 22 | Hudson,Ohio | Rk | 2016-2018 | - | 2018-37-1105-BAL | Mercyhurst Col | Minors | Baltimore Orioles (Rk) |
| Bryan Ciriaco | 3B | DSL Orioles (Rk) | 6-1 | 185 | R-R | 1997-03-29 | 21 | Sabana Perdida,Dom Rep | Rk | 2016-2018 | - | (MLB) | |||
| Chris Clare | IF | Frederick (A+) Bowie (AA) | 6-1 | 160 | R-R | 1994-11-24 | 23 | Fort Mill,South Carolina | AA | 2014-2018 | - | 2016-21- 631-BAL | High Point U. | Minors | Baltimore Orioles (A+) |
| Alex Cobb | P | Baltimore (MLB) | 6-1 | 180 | R-R | 1987-10-07 | 30 | Boston,Massachusetts | MLB | 2006-2018 | 2011-2018 | 2006- 4- 109-TBA | Active | Baltimore Orioles (MLB) | |
| Ryan Conroy | P | GCL Orioles (Rk) Aberdeen (A-) | 6-3 | 179 | R-R | 1996-12-31 | 21 | Rotonda West,Florida | A- | 2016-2018 | - | 2018- 8- 235-BAL | Elon U. | Minors | Baltimore Orioles (A-) |
| Marlon Constante | P | DSL Orioles (Rk) | 5-11 | 180 | R-R | 1996-07-05 | 21 | San Pedro de Mac,Dom Rep | Rk | 2015-2018 | - | 2017-11- 332-NYA | (MLB) | ||
| Tyler Coolbaugh | SS | Aberdeen (A-) Frederick (A+) | 5-10 | 175 | B-R | 1993-10-29 | 24 | Austin,Texas | A+ | 2014-2018 | - | 2017-36-1088-BAL | Oklahoma, Angelo St | Minors | Baltimore Orioles (A-) |
| Nestor Cortes | P | Baltimore (MLB) | 5-11 | 190 | R-L | 1994-12-10 | 23 | Hialeah,Florida | MLB | 2013-2018 | 2018-2018 | 2013-36-1094-NYA | Minors | New York Yankees (AAA) | |
| Trevor Craport | C | Delmarva (A) | 5-11 | 200 | R-R | 1996-08-12 | 21 | Norcross,Georgia | A | 2015-2018 | - | 2017-11- 338-BAL | Georgia Tech | Minors | Baltimore Orioles (A-) |
| Frank Crinella | UTL | Delmarva (A) | 5-11 | 188 | R-R | 1994-06-09 | 24 | Springfield,Massachusetts | A | 2013-2018 | - | 2015-39-1183-BAL | Merrimack Col | Minors | Baltimore Orioles (A) |
| Josue Cruz | OF | DSL Orioles (Rk) | 6-4 | 175 | L-L | 2000-12-25 | 17 | Bani,Dom Rep | Rk | 2018-2018 | - | (MLB) | |||
| Brett Cumberland | C | Bowie (AA) | 5-10 | 181 | B-R | 1995-06-25 | 23 | Turlock,California | AA | 2015-2018 | - | 2016- 2- 76-ATL | California | Minors | Baltimore Orioles (AA) |
| Seamus Curran | 1B | Aberdeen (A-) Delmarva (A) | 6-6 | 240 | L-R | 1997-09-06 | 20 | Agawam,Massachusetts | A | 2015-2018 | - | 2015- 8- 253-BAL | Minors | Baltimore Orioles (A) | |
| Chris Davis | 1B | Baltimore (MLB) | 6-3 | 210 | L-R | 1986-03-17 | 32 | Longview,Texas | MLB | 2006-2018 | 2008-2018 | 2006- 5- 148-TEX | Navarro Col | Active | Baltimore Orioles (MLB) |
| Manuel Daza | P | DSL Orioles (Rk) | 6-1 | 175 | R-R | 1996-09-22 | 21 | Valencia,Venezuela | Rk | 2016-2018 | - | (MLB) | |||
| Matt De la Rosa | P | GCL Orioles (Rk) | 6-2 | 210 | L-R | 1993-11-15 | 24 | Austin,Texas | Rk | 2013-2018 | - | 2016-28- 841-BAL | Lenoir-Rhyne Col, Cisco Junior Col | Minors | Baltimore Orioles (Rk) |
| Jared Denning | C | GCL Orioles (Rk) | 5-10 | 205 | L-R | 1997-04-30 | 21 | American Canyon,California | Rk | 2017-2018 | - | 2018-29- 865-BAL | Utah, Solano CC | Minors | Baltimore Orioles (Rk) |
| Jose Diaz | P | Aberdeen (A-) | 6-3 | 185 | R-R | 1996-08-01 | 21 | Santo Domingo,Dom Rep | A- | 2015-2018 | - | Free Agent | - (MLB) | ||
| Yusniel Diaz | OF | Bowie (AA) | 6-1 | 195 | R-R | 1996-10-07 | 21 | Havana,Cuba | AA | 2016-2018 | - | 2015- UDFA-LAN | Minors | Baltimore Orioles (AA) | |
| Matthias Dietz | P | Delmarva (A) Frederick (A+) | 6-5 | 220 | R-R | 1995-09-20 | 22 | Orland Park,Illinois | A+ | 2015-2018 | - | 2016- 2- 69-BAL | John A. Logan Col | Minors | Baltimore Orioles (A+) |
| Manuel Dominguez | P | DSL Orioles (Rk) GCL Orioles (Rk) Aberdeen (A-) | 6-5 | 230 | R-R | 1994-01-17 | 24 | Mao,Dom Rep | A- | 2015-2018 | - | Free Agent | - (MLB) | ||
| Drew Dosch | IF | Norfolk (AAA) | 6-2 | 190 | L-R | 1992-06-24 | 26 | Canal winchester,Ohio | AAA | 2011-2018 | - | 2013- 7- 219-BAL | Youngstown St | Minors | Baltimore Orioles (AAA) |
| Juan Echevarria | P | Aberdeen (A-) | 6-3 | 194 | R-R | 1997-06-25 | 21 | Kissimmee,Florida | A- | 2016-2018 | - | 2015-21- 643-BAL | Minors | Baltimore Orioles (A-) | |
| Josh Edgin | P | Norfolk (AAA) | 6-1 | 225 | L-L | 1986-12-17 | 31 | Florence,South Carolina | MLB | 2007-2018 | 2012-2017 | 2010-30- 902-NYN | Ohio St, Francis Marion U. | Minors | Washington Nationals (AAA) |
| Jean Carlos Encarnacion | 3B | Delmarva (A) | 6-3 | 195 | R-R | 1998-01-17 | 20 | San Juan De La Maguana,Dom Rep | A | 2016-2018 | - | Minors | Baltimore Orioles (A) | ||
| Tyler Erwin | P | Frederick (A+) | 6-0 | 185 | L-L | 1994-08-29 | 23 | Mesa,Arizona | A+ | 2014-2018 | - | 2016-23- 691-BAL | New Mexico St, South Mountain CC | Minors | Baltimore Orioles (A) |
| J.C. Escarra | C | Aberdeen (A-) Frederick (A+) | 6-3 | 205 | L-R | 1995-04-24 | 23 | Hialeah,Florida | A+ | 2015-2018 | - | 2017-15- 458-BAL | Florida International U. | Minors | Baltimore Orioles (A-) |
| Marcos Estevez | OF | DSL Orioles (Rk) | 6-0 | 185 | R-R | 1995-07-12 | 22 | Santo Domingo,Dom Rep | Rk | 2016-2018 | - | (MLB) | |||
| Jaime Estrada | 3B | GCL Orioles (Rk) | 5-10 | 170 | L-R | 1995-12-15 | 22 | Compton,California | Rk | 2015-2018 | - | 2016-26- 781-BAL | Central Arizona Col | Free Agent | - (MLB) |
| Ian Evans | IF | GCL Orioles (Rk) Aberdeen (A-) | 5-11 | 175 | R-R | 1996-07-10 | 21 | Covina,California | A- | 2015-2018 | - | Grand Canyon U., Gateway CC | Minors | Baltimore Orioles (A-) | |
| Daniel Fajardo | C | Frederick (A+) | 6-1 | 170 | R-R | 1994-11-19 | 23 | Maracay,Venezuela | AAA | 2012-2018 | - | Minors | Baltimore Orioles (A) | ||
| Pablo Falconett | P | DSL Orioles (Rk) | 6-2 | 220 | R-R | 2000-10-28 | 17 | San Miguelito,Panama | Rk | 2018-2018 | - | (MLB) | |||
| Andrew Faulkner | P | Norfolk (AAA) | 6-3 | 180 | R-L | 1992-09-12 | 25 | Aiken,South Carolina | MLB | 2011-2018 | 2015-2016 | 2011-14- 444-TEX | Free Agent | - (MLB) | |
| Anderson Feliz | 3B | Bowie (AA) Norfolk (AAA) | 6-0 | 155 | B-R | 1992-05-11 | 26 | Santo Domingo,Dom Rep | AAA | 2010-2018 | - | Minors | Baltimore Orioles (AA) | ||
| Gray Fenter | P | Aberdeen (A-) Delmarva (A) | 6-1 | 210 | R-R | 1996-01-24 | 22 | West Memphis,Arkansas | A | 2015-2018 | - | 2015- 7- 223-BAL | Minors | Baltimore Orioles (A-) | |
| Jaylen Ferguson | OF | Aberdeen (A-) Delmarva (A) | 6-2 | 180 | R-R | 1997-07-21 | 20 | Arlington,Texas | A | 2015-2018 | - | 2015- 9- 283-BAL | Minors | Baltimore Orioles (A-) | |
| Jay Flaa | P | Bowie (AA) | 6-3 | 220 | R-R | 1992-06-10 | 26 | Mandan,North Dakota | AA | 2011-2018 | - | 2015- 6- 193-BAL | North Dakota St, Mary | Minors | Baltimore Orioles (A+) |
| Andrew Fregia | 3B | GCL Orioles (Rk) | 6-1 | 170 | R-R | 1996-12-18 | 21 | Liberty,Texas | Rk | 2016-2018 | - | 2018-13- 385-BAL | Sam Houston St | (MLB) | |
| Paul Fry | P | Bowie (AA) Norfolk (AAA) Baltimore (MLB) | 6-0 | 190 | L-L | 1992-07-26 | 25 | Waterford,Michigan | MLB | 2011-2018 | 2018-2018 | 2013-17- 507-SEA | St. Clair County CC | Active | Baltimore Orioles (MLB) |
| Eddie Gamboa | P | Bowie (AA) Norfolk (AAA) | 6-2 | 195 | R-R | 1984-12-21 | 33 | Sacramento,California | MLB | 2005-2018 | 2016-2016 | 2008-21- 626-BAL | California-Davis | Free Agent | - (MLB) |
| Ruben Garcia | P | Aberdeen (A-) | 6-4 | 190 | R-R | 1996-08-02 | 21 | Port St. Lucie,Florida | A- | 2016-2018 | - | 2016-14- 421-BAL | Eastern Florida St | Restricted | Baltimore Orioles (A-) |
| Wilson Garcia | C | Frederick (A+) | 5-11 | 160 | B-R | 1994-01-11 | 24 | Caracas,Venezuela | A+ | 2014-2018 | - | Minors | Cleveland Indians (MLB) | ||
| Randolph Gassaway | 1B | Aberdeen (A-) Frederick (A+) | 6-4 | 210 | R-R | 1995-05-23 | 23 | Atlanta,Georgia | AA | 2013-2018 | - | 2013-16- 489-BAL | Minors | Pittsburgh Pirates (MLB) | |
| Jared Gates | 1B | GCL Orioles (Rk) | 6-0 | 205 | L-R | 1996-03-28 | 22 | Wichita,Kansas | Rk | 2018-2018 | - | Arkansas | (MLB) | ||
| Kevin Gausman | P | Baltimore (MLB) | 6-4 | 170 | L-R | 1991-01-06 | 27 | Centennial,Colorado | MLB | 2011-2018 | 2013-2018 | 2012- 1- 4-BAL | Louisiana St | Active | Atlanta Braves (MLB) |
| Craig Gentry | CF | Frederick (A+) Bowie (AA) Baltimore (MLB) | 6-2 | 190 | R-R | 1983-11-29 | 34 | Van Buren,Arkansas | MLB | 2003-2018 | 2009-2018 | 2006-10- 298-TEX | Arkansas, Arkansas-Fort Smith | Active | San Francisco Giants (MLB) |
| Sean Gilmartin | P | Norfolk (AAA) Baltimore (MLB) | 6-2 | 190 | L-L | 1990-05-08 | 28 | Moorpark,California | MLB | 2009-2018 | 2015-2018 | 2011- 1- 28-ATL | Florida St | Minors | Baltimore Orioles (AAA) |
| Mychal Givens | P | Baltimore (MLB) | 6-1 | 190 | R-R | 1990-05-13 | 28 | Tampa,Florida | MLB | 2010-2018 | 2015-2018 | 2009- 2- 54-BAL | Active | Baltimore Orioles (MLB) | |
| Jose Gomez | P | DSL Orioles (Rk) | 6-3 | 175 | R-R | 1996-09-23 | 21 | Distrito Girardot,Venezuela | Rk | 2016-2018 | - | (MLB) | |||
| Alfredo Gonzalez | C | Aberdeen (A-) | 6-0 | 165 | R-R | 1995-12-14 | 22 | Distrito Federal,Venezuela | A | 2014-2018 | - | Minors | Baltimore Orioles (A-) | ||
| Brian Gonzalez | P | Frederick (A+) Bowie (AA) | 6-1 | 230 | R-L | 1995-10-25 | 22 | Miramar,Florida | AA | 2014-2018 | - | 2014- 3- 90-BAL | Minors | Baltimore Orioles (AA) | |
| Frank Gonzalez | 2B | DSL Orioles (Rk) | 5-11 | 170 | L-R | 1997-03-05 | 21 | Maracaibo,Venezuela | Rk | 2016-2018 | - | (MLB) | |||
| Luis Gonzalez | P | Bowie (AA) Norfolk (AAA) | 6-2 | 170 | L-L | 1992-01-17 | 26 | Esperanza,Dom Rep | AAA | 2010-2018 | - | Minors | Baltimore Orioles (AAA) | ||
| Cadyn Grenier | SS | Delmarva (A) | 5-11 | 180 | R-R | 1996-10-31 | 21 | Las Vegas,Nevada | A | 2016-2018 | - | 2018- 1- 37-BAL | Oregon St | Minors | Baltimore Orioles (A) |
| Matthew Grimes | P | Bowie (AA) Norfolk (AAA) | 6-5 | 185 | R-R | 1991-09-04 | 26 | Snellville,Georgia | AAA | 2011-2018 | - | 2014-18- 541-BAL | Georgia Tech | Minors | Baltimore Orioles (AA) |
| Nick Gruener | P | Aberdeen (A-) Delmarva (A) | 6-0 | 185 | R-R | 1995-05-16 | 23 | Miami,Florida | A | 2014-2018 | - | 2016-22- 661-BAL | Harvard U. | Minors | Baltimore Orioles (A) |
| Wilkin Grullon | C | DSL Orioles (Rk) | 6-0 | 220 | R-R | 1999-11-28 | 18 | Monsenor Nouel,Dom Rep | Rk | 2018-2018 | - | (MLB) | |||
| Hector Guance | P | Aberdeen (A-) | 6-6 | 200 | R-R | 1995-07-12 | 22 | San Cristobal,Dom Rep | A- | 2014-2018 | - | Minors | Baltimore Orioles (A-) | ||
| Jason Gurka | P | Norfolk (AAA) | 6-0 | 170 | L-L | 1988-01-10 | 30 | Brenham,Texas | MLB | 2007-2018 | 2015-2017 | 2008-15- 446-BAL | Angelina Col | Free Agent | - (MLB) |
| Cody Hacker | P | GCL Orioles (Rk) | 5-11 | 180 | R-L | 2000-06-18 | 18 | - | Rk | 2018-2018 | - | 2018-15- 445-BAL | Minors | Baltimore Orioles (Rk) | |
| Adam Hall | SS | Aberdeen (A-) | 5-11 | 165 | R-R | 1999-05-22 | 19 | London,Ontario | A- | 2017-2018 | - | 2017- 2- 60-BAL | Minors | Baltimore Orioles (A-) | |
| D.L. Hall | P | Delmarva (A) | 6-0 | 180 | L-L | 1998-09-19 | 19 | Valdosta,Georgia | A | 2017-2018 | - | 2017- 1- 21-BAL | Minors | Baltimore Orioles (Rk) | |
| John Ham | IF-OF | GCL Orioles (Rk) | 5-10 | 190 | R-R | 1996-08-27 | 21 | Deerfield Beach,Florida | Rk | 2017-2018 | - | 2018-31- 925-BAL | Tennessee Technological U., Dyersburg St CC | Minors | Baltimore Orioles (Rk) |
| Matthew Hammonds | P | GCL Orioles (Rk) Aberdeen (A-) | 6-4 | 205 | L-L | 1995-05-23 | 23 | Anaheim Hills,California | A- | 2014-2018 | - | 2017-29- 878-BAL | Sonoma St | Minors | Baltimore Orioles (A-) |
| Brenan Hanifee | P | Delmarva (A) | 6-4 | 185 | R-R | 1998-05-29 | 20 | Bridgewater,Virginia | A | 2017-2018 | - | 2016- 4- 121-BAL | Minors | Baltimore Orioles (A-) | |
| Donnie Hart | P | Norfolk (AAA) Baltimore (MLB) | 5-11 | 180 | L-L | 1990-09-06 | 27 | Katy,Texas | MLB | 2011-2018 | 2016-2018 | 2013-27- 819-BAL | Texas St | Active | Baltimore Orioles (MLB) |
| Hunter Harvey | P | Bowie (AA) | 6-3 | 175 | R-R | 1994-12-09 | 23 | Catawba,North Carolina | AA | 2013-2018 | - | 2013- 1- 22-BAL | Minors | Baltimore Orioles (AA) | |
| Reed Hayes | P | Delmarva (A) | 6-3 | 185 | R-R | 1995-03-17 | 23 | Johnson City,Tennessee | A | 2014-2018 | - | 2017-13- 398-BAL | Walters St CC, Vanderbilt U. | Minors | Baltimore Orioles (A) |
| Austin Hays | OF | Aberdeen (A-) Bowie (AA) | 6-1 | 195 | R-R | 1995-07-05 | 22 | Port Orange,Florida | MLB | 2014-2018 | 2017-2017 | 2016- 3- 91-BAL | Jacksonville U., Seminole St Florida | Active | Baltimore Orioles (MLB) |
| Josue Herrera | 2B | DSL Orioles (Rk) | 6-0 | 165 | R-R | 1997-02-03 | 21 | - | Rk | 2014-2018 | - | 2013- UDFA-ARI | (MLB) | ||
| Juan Herrera | P | DSL Orioles (Rk) | 6-3 | 170 | R-R | 1996-01-28 | 22 | San Pedro de Mac,Dom Rep | Rk | 2014-2018 | - | (MLB) | |||
| David Hess | P | Norfolk (AAA) Baltimore (MLB) | 6-1 | 198 | R-R | 1993-07-10 | 24 | Tullahoma,Tennessee | MLB | 2012-2018 | 2018-2018 | 2014- 5- 151-BAL | Tennessee Technological U. | Active | Baltimore Orioles (MLB) |
| Max Hogan | IF | Delmarva (A) Frederick (A+) | 5-11 | 195 | L-R | 1993-09-24 | 24 | Belton,Texas | A+ | 2013-2018 | - | 2017-32- 968-BAL | Dallas Baptist U., McLennan CC, Arkansas, Missouri So.State U. | Free Agent | - (MLB) |
| Dalton Hoiles | C | Aberdeen (A-) | 6-1 | 170 | R-R | 1996-04-30 | 22 | Spring Grove,Pennsylvania | A- | 2015-2018 | - | Shippensburg Pennsylvania | Minors | Baltimore Orioles (A-) | |
| Nick Horvath | OF-P | Aberdeen (A-) | 5-11 | 175 | R-L | 1996-07-13 | 21 | West Palm Beach,Florida | A- | 2015-2018 | - | 2018-25- 745-BAL | Florida, Santa Fe CC | Minors | Baltimore Orioles (A-) |
| Lucas Humpal | P | Frederick (A+) Bowie (AA) | 6-3 | 190 | R-R | 1993-09-05 | 24 | Corpus Christi,Texas | AA | 2013-2018 | - | 2016- 9- 271-BAL | Texas St | Free Agent | - (MLB) |
| Zach Jarrett | IF | Delmarva (A) | 6-3 | 217 | R-R | 1994-12-08 | 23 | Hickory,North Carolina | A | 2014-2018 | - | 2017-28- 848-BAL | UNC Charlotte | Minors | Baltimore Orioles (A-) |
| Andrew Jayne | CF | GCL Orioles (Rk) | 6-4 | 195 | R-R | 1999-08-11 | 18 | - | Rk | 2018-2018 | - | 2018-19- 565-BAL | Minors | Baltimore Orioles (Rk) | |
| Francisco Jimenez | P | Frederick (A+) Norfolk (AAA) | 6-1 | 160 | R-R | 1994-10-04 | 23 | San Cristobal,Dom Rep | AAA | 2012-2018 | - | Minors | Baltimore Orioles (AAA) | ||
| Hansel Jimenez | OF | DSL Orioles (Rk) | 5-11 | 170 | L-L | 1996-07-10 | 21 | San Juan De La Maguana,Dom Rep | Rk | 2015-2018 | - | (MLB) | |||
| Adam Jones | CF | Baltimore (MLB) | 6-2 | 185 | R-R | 1985-08-01 | 32 | San Diego,California | MLB | 2003-2018 | 2006-2018 | 2003- 1- 37-SEA | Free Agent | (MLB) | |
| Markel Jones | OF | GCL Orioles (Rk) | 5-10 | 175 | B-R | 1994-08-08 | 23 | Supply,North Carolina | A+ | 2016-2018 | - | 2016-33- 991-BAL | Brunswick CC | Minors | Baltimore Orioles (Rk) |
| Caleb Joseph | C | Norfolk (AAA) Baltimore (MLB) | 6-3 | 180 | R-R | 1986-06-18 | 32 | Franklin,Tennessee | MLB | 2006-2018 | 2014-2018 | 2008- 7- 206-BAL | Lipscomb U. | Minors | Arizona Diamondbacks (MLB) |
| Corban Joseph | 2B | Bowie (AA) Baltimore (MLB) | 6-0 | 168 | L-R | 1988-10-28 | 29 | Franklin,Tennessee | MLB | 2008-2018 | 2013-2018 | 2008- 4- 140-NYA | Minors | Oakland Athletics (MLB) | |
| Tyler Joyner | P | GCL Orioles (Rk) Aberdeen (A-) | 6-4 | 225 | R-R | 1996-05-10 | 22 | - | A- | 2018-2018 | - | 2018-30- 895-BAL | North Alabama | Minors | Baltimore Orioles (A-) |
| Alejandro Juvier | 2B | Frederick (A+) Bowie (AA) | 6-1 | 180 | L-R | 1996-01-20 | 22 | Miami,Florida | AA | 2014-2018 | - | 2014-15- 451-BAL | Minors | Baltimore Orioles (A+) | |
| Alex Katz | P | Delmarva (A) Frederick (A+) | 5-11 | 180 | L-L | 1994-10-12 | 23 | New Hyde Park,New York | A+ | 2013-2018 | - | 2015-27- 802-CHA | St. John's U. | Free Agent | - (MLB) |
| Josh Keaton | P | Aberdeen (A-) | 6-1 | 190 | R-R | 1993-10-20 | 24 | Colorado Springs,Colorado | A- | 2016-2018 | - | 2017-10- 308-BAL | Adams St | Minors | Baltimore Orioles (A-) |
| Michael Kelly | P | Bowie (AA) Norfolk (AAA) | 6-4 | 185 | R-R | 1992-09-06 | 25 | Boca Raton,Florida | AAA | 2012-2018 | - | 2011- 1- 48-SDN | Free Agent | - (MLB) | |
| Jordan Kipper | P | Aberdeen (A-) Bowie (AA) | 6-4 | 185 | R-R | 1992-10-06 | 25 | Phoenix,Arizona | AAA | 2012-2018 | - | 2014- 9- 269-ANA | Central Arizona Col | Minors | Baltimore Orioles (AA) |
| Steven Klimek | P | Frederick (A+) | 6-3 | 170 | R-R | 1994-04-04 | 24 | Rochester,New York | A+ | 2013-2018 | - | 2015-33-1003-BAL | St. Bonaventure U. | Minors | Baltimore Orioles (A) |
| Branden Kline | P | Frederick (A+) Bowie (AA) | 6-3 | 185 | R-R | 1991-09-29 | 26 | Frederick,Maryland | AA | 2010-2018 | - | 2012- 2- 65-BAL | Virginia | Active | Baltimore Orioles (MLB) |
| Blaine Knight | P | Aberdeen (A-) | 6-3 | 165 | R-R | 1996-06-28 | 22 | Bryant,Arkansas | A- | 2016-2018 | - | 2018- 3- 87-BAL | Arkansas | (MLB) | |
| Max Knutson | P | Delmarva (A) | 6-2 | 205 | L-L | 1995-04-01 | 23 | Minneapolis,Minnesota | A | 2014-2018 | - | 2016-12- 361-BAL | Nebraska | Minors | Baltimore Orioles (A) |
| Dean Kremer | P | Bowie (AA) | 6-2 | 185 | R-R | 1996-01-07 | 22 | Stockton,California | AA | 2015-2018 | - | 2016-14- 431-LAN | San Joaquin Delta Col, UNLV | Minors | Baltimore Orioles (AA) |
| Chris Lee | P | GCL Orioles (Rk) Bowie (AA) Norfolk (AAA) | 6-3 | 175 | L-L | 1992-08-17 | 25 | Tampa,Florida | AAA | 2011-2018 | - | 2011- 4- 130-HOU | Santa Fe CC | Minors | Baltimore Orioles (AA) |
| Hector Leon | 2B | DSL Orioles (Rk) | 5-9 | 171 | B-R | 2001-02-19 | 17 | Bejuma,Venezuela | Rk | 2018-2018 | - | (MLB) | |||
| Stuart Levy | C | Frederick (A+) Norfolk (AAA) | 6-2 | 190 | R-R | 1992-08-21 | 25 | Little Rock,Arkansas | AAA | 2012-2018 | - | 2015-27- 823-BAL | Arkansas St | Minors | Baltimore Orioles (A+) |
| Dallas Litscher | P | GCL Orioles (Rk) | 6-8 | 250 | R-R | 1996-01-10 | 22 | - | Rk | 2018-2018 | - | 2018-10- 295-BAL | St. Catharine Col | Minors | Baltimore Orioles (Rk) |
| Jose Lizarraga | C | GCL Orioles (Rk) | 5-10 | 170 | R-R | 1997-08-27 | 20 | Mazatlan,Mexico | A- | 2015-2018 | - | Minors | Baltimore Orioles (Rk) | ||
| Yeancarlos Lleras | P | GCL Orioles (Rk) | 6-0 | 150 | R-R | 2000-07-22 | 17 | Carolina,Puerto Rico | Rk | 2018-2018 | - | 2018- 6- 175-BAL | Minors | Baltimore Orioles (Rk) | |
| Lucas Long | P | Bowie (AA) Norfolk (AAA) | 6-1 | 185 | R-R | 1992-10-07 | 25 | Minneapolis,Minnesota | AAA | 2012-2018 | - | 2014-24- 721-BAL | Arizona, San Diego | Minors | Baltimore Orioles (AAA) |
| Edinson Lopez | P | DSL Orioles (Rk) | 6-0 | 185 | L-L | 1998-06-05 | 20 | Jima Abajo,Dom Rep | Rk | 2018-2018 | - | (MLB) | |||
| Reid Love | P | Bowie (AA) Norfolk (AAA) | 5-11 | 202 | L-L | 1992-05-15 | 26 | Dunnellon,Florida | AAA | 2012-2018 | - | 2015-10- 313-BAL | East Carolina U., St. Johns River St | Minors | Baltimore Orioles (AA) |
| Zac Lowther | P | Delmarva (A) Frederick (A+) | 6-2 | 235 | L-L | 1996-04-30 | 22 | Brooklyn Heights,Ohio | A+ | 2015-2018 | - | 2017- 2- 74-BAL | Xavier U. | Minors | Baltimore Orioles (A+) |
| Manny Machado | 3B | Baltimore (MLB) | 6-3 | 185 | R-R | 1992-07-06 | 25 | Hialeah,Florida | MLB | 2010-2018 | 2012-2018 | 2010- 1- 3-BAL | Free Agent | (MLB) | |
| Kevin Magee | P | GCL Orioles (Rk) Aberdeen (A-) | 6-2 | 215 | L-L | 1996-01-01 | 22 | Pompton Lakes,New Jersey | A- | 2015-2018 | - | 2018- 9- 265-BAL | St. John's U. | Minors | Baltimore Orioles (A-) |
| Trey Mancini | 1B | Baltimore (MLB) | 6-4 | 230 | R-R | 1992-03-18 | 26 | Winter Haven,Florida | MLB | 2011-2018 | 2016-2018 | 2013- 8- 249-BAL | Notre Dame | Active | Baltimore Orioles (MLB) |
| Adrian Marin | SS | Bowie (AA) Norfolk (AAA) | 5-10 | 165 | R-R | 1994-03-08 | 24 | Miami,Florida | AAA | 2012-2018 | - | 2012- 3- 99-BAL | Free Agent | - (MLB) | |
| Jhan Marinez | P | GCL Orioles (Rk) Norfolk (AAA) Baltimore (MLB) | 6-1 | 165 | R-R | 1988-08-12 | 29 | Santo Domingo,Dom Rep | MLB | 2007-2018 | 2010-2018 | 2006- UDFA-FLO | Free Agent | - (MLB) | |
| Jose Martinez | P | DSL Orioles (Rk) | 6-1 | 174 | R-R | 2000-02-02 | 18 | San Felipe,Venezuela | Rk | 2017-2018 | - | (MLB) | |||
| Zach Matson | P | Aberdeen (A-) Frederick (A+) | 6-3 | 225 | L-L | 1995-10-24 | 22 | Creighton,Missouri | A+ | 2015-2018 | - | 2016-24- 721-BAL | Crowder Col | Minors | Baltimore Orioles (A-) |
| Mason McCoy | IF | Delmarva (A) | 6-0 | 175 | R-R | 1995-03-31 | 23 | Peoria,Illinois | A | 2014-2018 | - | 2017- 6- 188-BAL | Iowa, Illinois Central Col | Minors | Baltimore Orioles (A-) |
| Parker McFadden | P | GCL Orioles (Rk) | 6-0 | 200 | R-R | 1997-06-01 | 21 | Yelm,Washington | Rk | 2016-2018 | - | 2018-16- 475-BAL | Washington St | Minors | Baltimore Orioles (Rk) |
| Ryan McKenna | OF | Frederick (A+) Bowie (AA) | 5-9 | 175 | R-R | 1997-02-14 | 21 | Dover,New Hampshire | AA | 2015-2018 | - | 2015- 4- 133-BAL | Minors | Baltimore Orioles (AA) | |
| Zach McLeod | SS | GCL Orioles (Rk) | 6-1 | 200 | R-R | 1996-01-19 | 22 | Phoenix,Arizona | Rk | 2016-2018 | - | 2018-33- 985-BAL | Grand Canyon U., Colorado Mesa U. | Minors | Baltimore Orioles (A) |
| John Means | P | Bowie (AA) Norfolk (AAA) Baltimore (MLB) | 6-3 | 195 | L-L | 1993-04-24 | 25 | Olathe,Kansas | MLB | 2012-2018 | 2018-2018 | 2014-11- 331-BAL | West Virginia U., Fort Scott CC | Active | Baltimore Orioles (MLB) |
| Ryan Meisinger | P | Bowie (AA) Norfolk (AAA) Baltimore (MLB) | 6-4 | 215 | R-R | 1994-05-04 | 24 | Dunkirk,Maryland | MLB | 2013-2018 | 2018-2018 | 2015-11- 343-BAL | Radford U. | Minors | St. Louis Cardinals (MLB) |
| Tim Melville | P | Norfolk (AAA) | 6-5 | 210 | R-R | 1989-10-09 | 28 | Wentzville,Missouri | MLB | 2009-2018 | 2016-2017 | 2008- 4- 115-KCA | Free Agent | - (MLB) | |
| Carlos Mendez | C | DSL Orioles (Rk) | 6-4 | 215 | R-R | 1998-02-15 | 20 | Valencia,Venezuela | Rk | 2016-2018 | - | (MLB) | |||
| Nick Meservey | P | GCL Orioles (Rk) | 6-4 | 181 | L-L | 1995-09-10 | 22 | Scottsdale,Arizona | Rk | 2015-2018 | - | 2018-21- 625-BAL | Seattle U. | (MLB) | |
| Cameron Ming | P | Delmarva (A) Bowie (AA) | 6-2 | 177 | L-L | 1996-05-02 | 22 | Phoenix,Arizona | AA | 2015-2018 | - | 2017-14- 428-BAL | Arizona | Minors | Baltimore Orioles (A) |
| Kirvin Moesquit | SS | Delmarva (A) | 5-8 | 165 | B-R | 1995-03-10 | 23 | Pompano Beach,Florida | A | 2015-2018 | - | 2015-24- 733-BAL | Seminole St Florida | Minors | Baltimore Orioles (A) |
| Jose Montanez | C | GCL Orioles (Rk) | 6-1 | 200 | R-R | 1998-07-13 | 19 | Rio Piedras,Puerto Rico | Rk | 2017-2018 | - | 2017-21- 638-BAL | Minors | Baltimore Orioles (Rk) | |
| Reynier Montero | P | DSL Orioles (Rk) | 6-2 | 165 | R-R | 1996-10-29 | 21 | San Pedro de Mac,Dom Rep | Rk | 2015-2018 | - | Free Agent | - (MLB) | ||
| Juan Montes | OF | GCL Orioles (Rk) | 6-2 | 185 | B-R | 1995-05-15 | 23 | Guatemala City,Guatemala | Rk | 2014-2018 | - | Minors | Baltimore Orioles (Rk) | ||
| J.J. Montgomery | P | GCL Orioles (Rk) Aberdeen (A-) | 6-0 | 200 | R-R | 1997-06-01 | 21 | Indianapolis,Indiana | A- | 2018-2018 | - | 2018- 7- 205-BAL | NWFlorida St, Central Florida | Minors | Baltimore Orioles (A-) |
| Jason Montville | P | GCL Orioles (Rk) | 6-2 | 215 | L-L | 1996-11-16 | 21 | Escondido,California | Rk | 2016-2018 | - | 2018-27- 805-BAL | California-Riverside, St. Katherine Col | Minors | Baltimore Orioles (Rk) |
| Ryan Mountcastle | SS | Bowie (AA) | 6-3 | 195 | R-R | 1997-02-18 | 21 | Winter Springs,Florida | AA | 2015-2018 | - | 2015- 1- 36-BAL | Minors | Baltimore Orioles (AA) | |
| Zach Muckenhirn | P | Delmarva (A) Frederick (A+) Bowie (AA) | 6-1 | 180 | L-L | 1995-02-27 | 23 | Delano,Minnesota | AA | 2014-2018 | - | 2016-11- 331-BAL | North Dakota | Minors | Baltimore Orioles (AA) |
| Cedric Mullins | OF | Bowie (AA) Norfolk (AAA) Baltimore (MLB) | 5-8 | 175 | B-L | 1994-10-01 | 23 | Snellville,Georgia | MLB | 2013-2018 | 2018-2018 | 2015-13- 403-BAL | Campbell U., Louisburg Col | Active | Baltimore Orioles (MLB) |
| Alex Murphy | C | Frederick (A+) | 5-11 | 210 | R-R | 1994-10-05 | 23 | Monrovia,Maryland | A+ | 2013-2018 | - | 2013- 6- 189-BAL | Minors | Baltimore Orioles (A+) | |
| Jimmy Murphy | P | Aberdeen (A-) | 5-11 | 180 | R-R | 1994-10-14 | 23 | South Orange,New Jersey | A- | 2013-2018 | - | 2017- 8- 248-BAL | Fordham U. | Minors | Baltimore Orioles (A-) |
| D'Arby Myers | OF | Bowie (AA) Norfolk (AAA) | 6-3 | 175 | R-R | 1988-12-09 | 29 | Los Angeles,California | AAA | 2006-2018 | - | 2006- 4- 127-PHI | Free Agent | - (MLB) | |
| Tim Naughton | P | Delmarva (A) | 6-3 | 180 | R-R | 1995-11-14 | 22 | Goldsboro,North Carolina | A | 2016-2018 | - | 2017-34-1028-BAL | North Carolina St | Minors | Baltimore Orioles (A) |
| Robert Neustrom | OF | Aberdeen (A-) | 6-3 | 200 | L-L | 1996-11-12 | 21 | Sioux City,Iowa | A- | 2016-2018 | - | 2018- 5- 145-BAL | Iowa | Minors | Baltimore Orioles (A-) |
| T.J. Nichting | IF | Delmarva (A) Frederick (A+) | 5-11 | 180 | B-R | 1995-01-13 | 23 | Hamilton,Ohio | A+ | 2015-2018 | - | 2017- 9- 278-BAL | UNC Charlotte | Minors | Baltimore Orioles (A+) |
| Moises Nolasco | P | DSL Orioles (Rk) GCL Orioles (Rk) Aberdeen (A-) | 6-4 | 170 | R-R | 1997-02-02 | 21 | Hato Mayor del Rey,Dom Rep | A- | 2016-2018 | - | Minors | Baltimore Orioles (A-) | ||
| Renato Nunez | 3B | Norfolk (AAA) Baltimore (MLB) | 6-1 | 185 | R-R | 1994-04-04 | 24 | Valencia,Venezuela | MLB | 2011-2018 | 2016-2018 | 2010- UDFA-OAK | Active | Baltimore Orioles (MLB) | |
| Darren O'Day | P | Frederick (A+) Baltimore (MLB) | 6-4 | 222 | R-R | 1982-10-22 | 35 | Jacksonville,Florida | MLB | 2003-2018 | 2008-2018 | 2006- UDFA-ANA | Florida | Active | Atlanta Braves (MLB) |
| Ryan O'Rourke | P | GCL Orioles (Rk) Aberdeen (A-) Frederick (A+) Norfolk (AAA) | 6-3 | 217 | R-L | 1988-04-30 | 30 | Worcester,Massachusetts | MLB | 2007-2018 | 2015-2016 | 2010-13- 405-MIN | Merrimack Col | Minors | New York Mets (MLB) |
| Oscar Olivares | 3B | DSL Orioles (Rk) | 6-1 | 185 | R-R | 1998-09-03 | 19 | San Pedro de Mac,Dom Rep | Rk | 2017-2018 | - | (MLB) | |||
| Irving Ortega | SS | GCL Orioles (Rk) Aberdeen (A-) | 6-2 | 165 | R-R | 1996-10-30 | 21 | Santo Domingo,Dom Rep | A | 2015-2018 | - | 2014- UDFA-BAL | Minors | Baltimore Orioles (A-) | |
| Luis Ortiz | P | Norfolk (AAA) Baltimore (MLB) | 6-3 | 230 | R-R | 1995-09-22 | 22 | Sanger,California | MLB | 2014-2018 | 2018-2018 | 2014- 1- 30-TEX | Active | Baltimore Orioles (MLB) | |
| Preston Palmeiro | 1B | Frederick (A+) | 6-1 | 190 | L-R | 1995-01-22 | 23 | Colleyville,Texas | A+ | 2014-2018 | - | 2016- 7- 211-BAL | North Carolina St | Minors | Baltimore Orioles (A) |
| Eddie Paparella | P | Frederick (A+) | 6-3 | 210 | R-R | 1994-11-27 | 23 | Mineola,New York | A+ | 2014-2018 | - | South Alabama, Howard Col | Minors | Baltimore Orioles (MLB) | |
| Jhon Peluffo | P | Delmarva (A) Frederick (A+) | 6-2 | 160 | R-R | 1997-06-16 | 21 | Cartagena,Colombia | A+ | 2014-2018 | - | Minors | Baltimore Orioles (A) | ||
| Ofelky Peralta | P | Frederick (A+) | 6-5 | 195 | R-R | 1997-04-20 | 21 | Bonao,Dom Rep | A+ | 2014-2018 | - | 2013- UDFA-BAL | Minors | Baltimore Orioles (A+) | |
| Audry Perez | C | Bowie (AA) Norfolk (AAA) | 5-9 | 180 | R-R | 1988-12-23 | 29 | Santo Domingo,Dom Rep | MLB | 2008-2018 | 2013-2014 | 2008- UDFA-SLN | Free Agent | - (MLB) | |
| Luis Perez | P | Aberdeen (A-) Delmarva (A) | 6-0 | 175 | R-R | 1995-05-03 | 23 | Palenque,Dom Rep | A | 2015-2018 | - | Minors | Baltimore Orioles (A) | ||
| Jace Peterson | SS | Baltimore (MLB) | 6-0 | 205 | L-R | 1990-05-09 | 28 | Lake Charles,Louisiana | MLB | 2009-2018 | 2014-2018 | 2011- 1- 58-SDN | McNeese St | Free Agent | - (MLB) |
| Evan Phillips | P | Norfolk (AAA) Baltimore (MLB) | 6-2 | 215 | R-R | 1994-09-11 | 23 | Salisbury,Maryland | MLB | 2013-2018 | 2018-2018 | 2015-17- 510-ATL | UNC Wilmington | Active | Baltimore Orioles (MLB) |
| Zach Pop | P | Bowie (AA) | 6-4 | 225 | R-R | 1996-09-20 | 21 | Brampton,Ontario | AA | 2015-2018 | - | 2017- 7- 220-LAN | Kentucky | Minors | Baltimore Orioles (AA) |
| Alex Presley | CF-OF | Norfolk (AAA) | 5-9 | 180 | L-L | 1985-07-25 | 32 | Monroe,Louisiana | MLB | 2004-2018 | 2010-2017 | 2006- 8- 230-PIT | Mississippi | Free Agent | - (MLB) |
| Antonio Pujols | P | DSL Orioles (Rk) | 6-3 | 195 | L-L | 1998-01-27 | 20 | San Jose de Ocoa,Dom Rep | Rk | 2017-2018 | - | (MLB) | |||
| Johan Quevedo | C | Frederick (A+) | 6-1 | 212 | B-R | 1993-11-06 | 24 | Santa Barbara,Venezuela | A+ | 2014-2018 | - | Free Agent | - (MLB) | ||
| Yefry Ramirez | P | Norfolk (AAA) Baltimore (MLB) | 6-2 | 165 | R-R | 1993-11-28 | 24 | Santo Domingo,Dom Rep | MLB | 2011-2018 | 2018-2018 | Active | Baltimore Orioles (MLB) | ||
| Milton Ramos | SS | Aberdeen (A-) | 5-11 | 158 | R-R | 1995-10-26 | 22 | Hialeah,Florida | A | 2014-2018 | - | 2014- 3- 84-NYN | Free Agent | - (MLB) | |
| Colby Rasmus | CF | Frederick (A+) Bowie (AA) Baltimore (MLB) | 6-1 | 175 | L-L | 1986-08-11 | 31 | Columbus,Georgia | MLB | 2005-2018 | 2009-2018 | 2005- 1- 28-SLN | Free Agent | (MLB) | |
| Jomar Reyes | 3B | Frederick (A+) | 6-3 | 220 | R-R | 1997-02-20 | 21 | Santo Domingo,Dom Rep | A+ | 2014-2018 | - | 2013- UDFA-BAL | Minors | Baltimore Orioles (A+) | |
| Joey Rickard | OF | Norfolk (AAA) Baltimore (MLB) | 6-1 | 171 | R-L | 1991-05-21 | 27 | Redding,California | MLB | 2010-2018 | 2016-2018 | 2012- 9- 302-TBA | Arizona | Active | Baltimore Orioles (MLB) |
| Ademar Rifaela | OF | Bowie (AA) | 5-10 | 180 | L-L | 1994-11-20 | 23 | Willemstad,Curacao | AA | 2013-2018 | - | Minors | Baltimore Orioles (AA) | ||
| Jake Ring | OF | Aberdeen (A-) Frederick (A+) | 5-10 | 161 | L-L | 1994-08-11 | 23 | Ingleside,Illinois | A+ | 2014-2018 | - | 2016-31- 931-BAL | Missouri | Minors | Baltimore Orioles (A+) |
| Luke Ringhofer | C | Aberdeen (A-) | 6-1 | 210 | L-R | 1996-02-19 | 22 | Cottage Grove,Minnesota | A- | 2015-2018 | - | 2017-22- 668-BAL | South Dakota St | Minors | Baltimore Orioles (A-) |
| Willie Rios | P | Aberdeen (A-) | 5-11 | 190 | B-L | 1996-02-06 | 22 | Waterford,Connecticut | A- | 2015-2018 | - | 2016-16- 481-BAL | Maryland, Florida SouthWestern St, Miami | Minors | Baltimore Orioles (A-) |
| Ryan Ripken | 1B | Delmarva (A) | 6-6 | 205 | L-L | 1993-07-26 | 24 | Baltimore,Maryland | A | 2014-2018 | - | 2014-15- 454-WAS | South Carolina, Indian River St | Minors | Baltimore Orioles (A-) |
| Cody Roberts | C-3B | Aberdeen (A-) | 6-0 | 195 | R-R | 1997-06-16 | 21 | Johns Creek,Georgia | A- | 2016-2018 | - | 2018-11- 325-BAL | North Carolina | Minors | Baltimore Orioles (A-) |
| Will Robertson | OF | Delmarva (A) | 6-2 | 175 | R-R | 1995-03-02 | 23 | Greeneville,South Carolina | A | 2014-2018 | - | 2017-30- 908-BAL | Davidson Col | Minors | Baltimore Orioles (A-) |
| Aderlin Rodriguez | 3B | Bowie (AA) | 6-3 | 210 | R-R | 1991-11-18 | 26 | Santo Domingo,Dom Rep | AA | 2009-2018 | - | Minors | San Diego Padres (MLB) | ||
| Grayson Rodriguez | P | GCL Orioles (Rk) | 6-5 | 220 | L-R | 1999-11-16 | 18 | - | Rk | 2018-2018 | - | 2018- 1- 11-BAL | Minors | Baltimore Orioles (Rk) | |
| Joely Rodriguez | P | Norfolk (AAA) | 6-1 | 175 | L-L | 1991-11-14 | 26 | Santo Domingo,Dom Rep | MLB | 2010-2018 | 2016-2017 | 2009- UDFA-PIT | Free Agent | - (MLB) | |
| Jose Rodriguez | P | DSL Orioles (Rk) | 6-1 | 190 | R-R | 1995-12-27 | 22 | San Pedro de Mac,Dom Rep | Rk | 2017-2018 | - | (MLB) | |||
| Leonardo Rodriguez | P | GCL Orioles (Rk) Aberdeen (A-) | 6-7 | 215 | R-R | 1997-11-25 | 20 | Boca Chica,Dom Rep | A- | 2017-2018 | - | Minors | Baltimore Orioles (A-) | ||
| Yelin Rodriguez | P | GCL Orioles (Rk) Aberdeen (A-) | 6-3 | 200 | L-L | 1998-11-03 | 19 | Arroyo,Puerto Rico | A- | 2016-2018 | - | 2016-20- 601-BAL | Minors | Baltimore Orioles (Rk) | |
| Josh Rogers | P | Norfolk (AAA) Baltimore (MLB) | 6-3 | 191 | L-L | 1994-07-10 | 23 | New Albany,Indiana | MLB | 2014-2018 | 2018-2018 | 2015-11- 333-NYA | Louisville | Active | Baltimore Orioles (MLB) |
| Edidson Rojas | SS | DSL Orioles (Rk) | 6-3 | 185 | L-R | 1999-05-14 | 19 | Mao,Dom Rep | Rk | 2017-2018 | - | (MLB) | |||
| Drew Rom | P | GCL Orioles (Rk) | 6-2 | 170 | L-L | 1999-12-15 | 18 | - | Rk | 2018-2018 | - | 2018- 4- 115-BAL | Minors | Baltimore Orioles (Rk) | |
| Victor Romero | P | Aberdeen (A-) | 6-3 | 170 | R-R | 1995-02-17 | 23 | Los Teques,Venezuela | A- | 2014-2018 | - | Minors | Baltimore Orioles (A-) | ||
| Garabez Rosa | OF | Norfolk (AAA) | 6-2 | 166 | R-R | 1989-10-12 | 28 | Cotui,Dom Rep | AAA | 2008-2018 | - | Free Agent | - (MLB) | ||
| Erick Salcedo | SS | Bowie (AA) | 5-10 | 155 | B-R | 1993-06-28 | 25 | Valencia,Venezuela | AAA | 2010-2018 | - | Free Agent | - (MLB) | ||
| Jayvien Sandridge | P | GCL Orioles (Rk) | 6-5 | 220 | R-R | 1999-02-11 | 19 | - | Rk | 2018-2018 | - | 2018-32- 955-BAL | Minors | Baltimore Orioles (Rk) | |
| Luis Santana | 1B | DSL Orioles (Rk) | 6-1 | 160 | R-R | 1999-06-03 | 19 | Monte Plata,Dom Rep | Rk | 2017-2018 | - | (MLB) | |||
| Anthony Santander | RF-OF | Aberdeen (A-) Bowie (AA) Norfolk (AAA) Baltimore (MLB) | 6-2 | 187 | B-R | 1994-10-19 | 23 | Margarita,Venezuela | MLB | 2012-2018 | 2017-2018 | 2011- UDFA-CLE | Minors | Baltimore Orioles (AA) | |
| Luis Sardinas | SS | Norfolk (AAA) Baltimore (MLB) | 6-1 | 150 | B-R | 1993-05-16 | 25 | Caracas,Venezuela | MLB | 2010-2018 | 2014-2018 | 2009- UDFA-TEX | Minors | Washington Nationals (MLB) | |
| Michael Saunders | CF | Norfolk (AAA) | 6-4 | 205 | L-R | 1986-11-19 | 31 | Victoria,BC | MLB | 2005-2018 | 2009-2017 | 2004-11- 333-SEA | Tallahassee CC | Minors | Colorado Rockies (MLB) |
| Jonathan Schoop | 2B | Frederick (A+) Bowie (AA) Norfolk (AAA) Baltimore (MLB) | 6-1 | 187 | R-R | 1991-10-06 | 26 | Willemstad,Curacao | MLB | 2010-2018 | 2013-2018 | 2008- UDFA-BAL | Active | Minnesota Twins (MLB) | |
| Sharlon Schoop | 1B-2B | Bowie (AA) Norfolk (AAA) | 6-0 | 160 | R-R | 1987-04-15 | 31 | Willemstad,Curacao | AAA | 2005-2018 | - | Free Agent | - (MLB) | ||
| Tanner Scott | P | Norfolk (AAA) Baltimore (MLB) | 6-2 | 220 | R-L | 1994-07-22 | 23 | Warren,Ohio | MLB | 2014-2018 | 2017-2018 | 2014- 6- 181-BAL | Howard Col | Active | Baltimore Orioles (MLB) |
| Travis Seabrooke | P | Delmarva (A) Frederick (A+) | 6-5 | 197 | R-L | 1995-09-16 | 22 | Peterborough,Ontario | A+ | 2013-2018 | - | 2013- 5- 159-BAL | Minors | Baltimore Orioles (A+) | |
| Cody Sedlock | P | GCL Orioles (Rk) Aberdeen (A-) Frederick (A+) | 6-4 | 200 | R-R | 1995-06-19 | 23 | Sherrard,Illinois | A+ | 2014-2018 | - | 2016- 1- 27-BAL | Illinois | Minors | Baltimore Orioles (A+) |
| Christopher Shaw | C | Delmarva (A) | 6-1 | 185 | R-R | 1994-04-25 | 24 | Winnipeg,Manitoba | A | 2015-2018 | - | 2015-15- 463-BAL | Midland Col, Oklahoma | Minors | Baltimore Orioles (A) |
| Isaac Silva | P | Frederick (A+) | 6-2 | 190 | L-L | 1992-09-12 | 25 | San Pedro de Mac,Dom Rep | A+ | 2012-2018 | - | Free Agent | - (MLB) | ||
| Chance Sisco | C | Norfolk (AAA) Baltimore (MLB) | 6-2 | 193 | L-R | 1995-02-24 | 23 | Corona,California | MLB | 2013-2018 | 2017-2018 | 2013- 2- 61-BAL | Active | Baltimore Orioles (MLB) | |
| D.J. Snelten | P | Norfolk (AAA) | 6-6 | 215 | L-L | 1992-05-29 | 26 | Ingelside,Illinois | MLB | 2011-2018 | 2018-2018 | 2013- 9- 282-SFN | Minnesota | Minors | Baltimore Orioles (AAA) |
| Adam Stauffer | P | GCL Orioles (Rk) | 6-7 | 240 | R-R | 1999-01-13 | 19 | Coatesville,Pennsylvania | Rk | 2017-2018 | - | 2017-19- 578-BAL | Minors | Baltimore Orioles (Rk) | |
| D.J. Stewart | OF | Norfolk (AAA) Baltimore (MLB) | 6-0 | 215 | L-R | 1993-11-30 | 24 | Yulee,Florida | MLB | 2013-2018 | 2018-2018 | 2015- 1- 25-BAL | Florida St | Active | Baltimore Orioles (MLB) |
| Andrew Susac | C | Norfolk (AAA) Baltimore (MLB) | 6-1 | 200 | R-R | 1990-03-22 | 28 | Roseville,California | MLB | 2010-2018 | 2014-2018 | 2011- 2- 86-SFN | Oregon St | Minors | Baltimore Orioles (MLB) |
| Dillon Tate | P | Bowie (AA) | 6-2 | 185 | R-R | 1994-05-01 | 24 | Harbor City,California | AA | 2013-2018 | - | 2015- 1- 4-TEX | California-Santa Barbara | Active | Baltimore Orioles (MLB) |
| Davis Tavarez | OF | GCL Orioles (Rk) Delmarva (A) | 6-2 | 190 | R-R | 1999-01-07 | 19 | Santo Domingo,Dom Rep | A | 2017-2018 | - | Minors | Baltimore Orioles (Rk) | ||
| James Teague | P | Frederick (A+) | 6-0 | 180 | R-R | 1994-08-29 | 23 | Bartlesville,Oklahoma | A+ | 2014-2018 | - | 2016-37-1111-BAL | Arkansas | Minors | Baltimore Orioles (A+) |
| Miguel Tejada | P | DSL Orioles (Rk) | 6-2 | 200 | R-R | 2000-04-12 | 18 | Dajabon,Dom Rep | Rk | 2018-2018 | - | (MLB) | |||
| Ruben Tejada | SS | Norfolk (AAA) | 5-11 | 162 | R-R | 1989-10-27 | 28 | Veraguas,Panama | MLB | 2007-2018 | 2010-2017 | 2006- UDFA-NYN | Free Agent | - (MLB) | |
| Robbie Thorburn | OF-IF | Aberdeen (A-) | 5-10 | 187 | L-R | 1995-03-30 | 23 | Raleigh,North Carolina | A- | 2014-2018 | - | 2017-31- 938-BAL | UNC Wilmington | Minors | Baltimore Orioles (A-) |
| Chris Tillman | P | Aberdeen (A-) Delmarva (A) Frederick (A+) Norfolk (AAA) Baltimore (MLB) | 6-5 | 195 | R-R | 1988-04-15 | 30 | Anaheim,California | MLB | 2006-2018 | 2009-2018 | 2006- 2- 49-SEA | Free Agent | - (MLB) | |
| Frank Tolentino | OF | DSL Orioles (Rk) | 6-1 | 170 | R-R | 1999-08-05 | 18 | San Pedro de Mac,Dom Rep | Rk | 2017-2018 | - | (MLB) | |||
| Alexis Torres | SS | Aberdeen (A-) Delmarva (A) Frederick (A+) | 6-0 | 183 | R-R | 1997-12-12 | 20 | Caguas,Puerto Rico | A+ | 2016-2018 | - | 2016- 5- 151-BAL | Minors | Baltimore Orioles (A-) | |
| Matt Trowbridge | P | Frederick (A+) | 5-10 | 156 | L-L | 1993-03-24 | 25 | Mokena,Illinois | A+ | 2012-2018 | - | 2014-13- 391-BAL | Central Michigan U. | Free Agent | - (MLB) |
| Trey Truitt | CF | GCL Orioles (Rk) | 6-1 | 190 | R-R | 1996-06-29 | 22 | Dothan,Alabama | Rk | 2015-2018 | - | 2018-34-1015-BAL | Mercer U. | Minors | Baltimore Orioles (Rk) |
| Mark Trumbo | 1B | Bowie (AA) Norfolk (AAA) Baltimore (MLB) | 6-5 | 210 | R-R | 1986-01-16 | 32 | Orange,California | MLB | 2005-2018 | 2010-2018 | 2004-18- 533-ANA | Active | Baltimore Orioles (MLB) | |
| Doran Turchin | OF | Aberdeen (A-) | 6-2 | 195 | R-R | 1997-07-07 | 20 | Oak Creek,Wisconsin | A- | 2016-2018 | - | 2018-14- 415-BAL | Illinois | Minors | Baltimore Orioles (A-) |
| Danny Valencia | 3B-DH | Baltimore (MLB) | 6-2 | 200 | R-R | 1984-09-19 | 33 | Boca Raton,Florida | MLB | 2004-2018 | 2010-2018 | 2006-19- 576-MIN | Miami, UNC Greensboro | Free Agent | (MLB) |
| Breyvic Valera | OF-2B | Norfolk (AAA) Baltimore (MLB) | 5-11 | 160 | B-R | 1992-08-01 | 25 | David,Panama | MLB | 2011-2018 | 2017-2018 | 2010- UDFA-SLN | Active | San Francisco Giants (MLB) | |
| Edwin Ventura | OF | DSL Orioles (Rk) | 6-1 | 180 | R-R | 1997-08-27 | 20 | Los Llanos,Dom Rep | Rk | 2018-2018 | - | (MLB) | |||
| Nick Vespi | P | Delmarva (A) | 6-3 | 205 | L-L | 1995-10-10 | 22 | Boynton Beach,Florida | A | 2015-2018 | - | 2015-18- 553-BAL | Palm Beach St | Minors | Baltimore Orioles (A-) |
| Nick Vichio | P | Aberdeen (A-) | 6-2 | 200 | R-R | 1995-04-21 | 23 | Lombard,Illinois | A- | 2014-2018 | - | 2017-27- 818-BAL | Saint Louis U., Missouri Baptist U. | Free Agent | - (MLB) |
| Engelb Vielma | SS | Norfolk (AAA) Baltimore (MLB) | 5-11 | 155 | B-R | 1994-06-22 | 24 | Maracaibo,Venezuela | MLB | 2012-2018 | 2018-2018 | 2011- UDFA-MIN | Minors | Baltimore Orioles (MLB) | |
| Jonathan Villar | SS | Baltimore (MLB) | 6-1 | 180 | B-R | 1991-05-02 | 27 | La Vega,Dom Rep | MLB | 2009-2018 | 2013-2018 | 2008- UDFA-PHI | Active | Baltimore Orioles (MLB) | |
| Dember Vizcaino | P | DSL Orioles (Rk) | 6-4 | 205 | R-R | 1995-05-12 | 23 | San Cristobal,Dom Rep | Rk | 2015-2018 | - | (MLB) | |||
| Hector Vizcaino | SS | DSL Orioles (Rk) | 6-2 | 175 | R-R | 2000-03-16 | 18 | Bani,Dom Rep | Rk | 2018-2018 | - | (MLB) | |||
| Alex Wells | P | Frederick (A+) | 6-1 | 190 | R-R | 1997-02-27 | 21 | Newcastle,Australia | A+ | 2016-2018 | - | 2015- UDFA-BAL | Minors | Baltimore Orioles (A) | |
| Gillian Wernet | P | DSL Orioles (Rk) GCL Orioles (Rk) | 6-3 | 210 | R-R | 1998-10-01 | 19 | Oranjestad,Aruba | Rk | 2016-2018 | - | 2015- UDFA-BAL | Minors | Baltimore Orioles (Rk) | |
| Trey Whitley | CF | GCL Orioles (Rk) | 6-2 | 180 | R-R | 2000-02-03 | 18 | - | Rk | 2018-2018 | - | 2018-28- 835-BAL | Minors | Baltimore Orioles (Rk) | |
| Steve Wilkerson | SS | GCL Orioles (Rk) Bowie (AA) Norfolk (AAA) Baltimore (MLB) | 6-1 | 169 | B-R | 1992-01-11 | 26 | Marietta,Georgia | MLB | 2011-2018 | 2018-2018 | 2014- 8- 241-BAL | Clemson U. | Active | Baltimore Orioles (MLB) |
| Ryan Wilson | P | Delmarva (A) | 5-11 | 175 | L-L | 1996-11-06 | 21 | Carlsbad,California | A | 2015-2018 | - | 2017-33- 998-BAL | Pepperdine U. | Minors | Baltimore Orioles (A) |
| Asher Wojciechowski | P | Norfolk (AAA) | 6-4 | 230 | R-R | 1988-12-21 | 29 | Pensacola,Florida | MLB | 2008-2018 | 2015-2017 | 2010- 1- 41-TOR | The Citadel | Minors | Cleveland Indians (MLB) |
| Collin Woody | 3B | Frederick (A+) | 6-1 | 205 | R-R | 1994-08-05 | 23 | Tampa,Florida | A+ | 2013-2018 | - | 2016-38-1141-BAL | UNC Greensboro, Col. Central Florida | Minors | Baltimore Orioles (A) |
| Matt Wotherspoon | P | Norfolk (AAA) | 6-1 | 175 | R-R | 1991-10-06 | 26 | Baton Rouge,Louisiana | AAA | 2011-2018 | - | 2014-34-1022-NYA | Pittsburgh | Minors | Baltimore Orioles (AAA) |
| Mike Wright | P | Baltimore (MLB) | 6-5 | 176 | R-R | 1990-01-03 | 28 | Benn,South Carolina | MLB | 2009-2018 | 2015-2018 | 2011- 3- 94-BAL | East Carolina U. | Active | Baltimore Orioles (MLB) |
| Austin Wynns | C | Norfolk (AAA) Baltimore (MLB) | 6-2 | 190 | R-R | 1990-12-10 | 27 | Poway,California | MLB | 2010-2018 | 2018-2018 | 2013-10- 309-BAL | Fresno St | Active | Baltimore Orioles (MLB) |
| Gui Yuan Xu | 1B | Aberdeen (A-) | 6-0 | 188 | L-L | 1996-01-29 | 22 | Puning,China | A- | 2016-2018 | - | Minors | Baltimore Orioles (A-) | ||
| Jimmy Yacabonis | P | Norfolk (AAA) Baltimore (MLB) | 6-2 | 190 | R-R | 1992-03-21 | 26 | Matawan,New Jersey | MLB | 2011-2018 | 2017-2018 | 2013-13- 399-BAL | Saint Joseph's U. | Active | Baltimore Orioles (MLB) |
| Willy Yahn | IF | Aberdeen (A-) | 5-11 | 186 | R-R | 1995-11-07 | 22 | Sharon,Connecticut | A- | 2015-2018 | - | 2017-25- 758-BAL | Connecticut | Minors | Baltimore Orioles (A-) |
| Michael Yastrzemski | OF | Bowie (AA) Norfolk (AAA) | 5-11 | 185 | L-L | 1990-08-23 | 27 | Andover,Massachusetts | AAA | 2010-2018 | - | 2013-14- 429-BAL | Vanderbilt U. | Minors | Baltimore Orioles (AAA) |
| Gabriel Ynoa | P | Bowie (AA) | 6-2 | 158 | R-R | 1993-05-26 | 25 | La Vega,Dom Rep | MLB | 2010-2018 | 2016-2017 | 2009- UDFA-NYN | Minors | Baltimore Orioles (AA) | |
| Luis Ysla | P | Bowie (AA) Norfolk (AAA) | 6-1 | 185 | L-L | 1992-04-27 | 26 | Carabobo,Venezuela | AAA | 2013-2018 | - | 2012- UDFA-SFN | Minors | Baltimore Orioles (AAA) | |
| Jake Zebron | P | GCL Orioles (Rk) | 6-3 | 180 | R-R | 2000-02-04 | 18 | - | Rk | 2018-2018 | - | 2018-18- 535-BAL | Minors | Baltimore Orioles (Rk) |
