| Mason Le | IF | 2020-2020 | Cal State Northridge |
| Pierre Le Dorze | OF | 2015-2018 | Cornell |
| Clark Lea | H | 2002-2002 | Belmont |
| Dan Lea | P | 2008-2011 | Cornell |
| Jeremy Lea | C | 2019-2020 | Pacific |
| Matt Lea | P | 2006-2010 | Mississippi State, Louisville |
| Zach Lea | UT | 2018-2018 | USC-Upstate |
| Alex Leach | IF-OF | 2012-2015 | Appalachian State |
| Danny Leach | IF | 2006-2009 | Fordham |
| J.C. Leach | P | 2008-2008 | Brigham Young, Southern Nevada |
| Keaton Leach | P | 2013-2016 | Glendale CC CA, UC Riverside |
| Kyle Leach | P | 2013-2013 | Georgia Tech |
| Ryan Leach | IF | 2002-2002 | Memphis |
| Ryan Leach | P | 2008-2012 | North Carolina, UNC Wilmington |
| Sam Leach | P | 2017-2020 | Northern Colorado |
| Steven Leach | 1B | 2006-2010 | Jacksonville State |
| Zach Leach | C-OF | 2010-2013 | UNC-Greensboro |
| Corey Leadenham | IF-C | 2020-2020 | George Mason |
| Andy Leader | OF | 2017-2020 | Canisius College, Colby CC |
| Grant Leader | P | 2020-2020 | Illinois |
| Kevin Leady | OF-P | 2006-2010 | Bowling Green State |
| Kyle Leady | IF-OF | 2013-2015 | Campbell, Lower Columbia CC |
| Matt Leaf | P | 2002-2003 | Arizona State |
| Aiden Leahy | IF | 2018-2020 | Northern Colorado, Lassen CC |
| Chris Leahy | IF-OF | 2007-2009 | Iona College |
| Francis Leahy | P | 2003-2003 | Long Island-Brooklyn |
| Ryan Leahy | P | 2010-2012 | Gonzaga |
| Johnny Leake | OF | 2019-2019 | Prairie View A&M |
| Phil Leake | P | 2002-2004 | High Point |
| Ryan Leake | P | 2002-2006 | Nevada, UC San Diego |
| Andres Leal | UT | 2014-2017 | South Florida |
| Andrew Leal | 1B | 2005-2006 | Lamar, Alvin CC, Grayson County College |
| Jacob Leal | C | 2014-2017 | Oklahoma, Howard College, Arkansas-Fort Smith, Vanguard Southern California |
| Krysthian Leal | IF | 2013-2016 | Maryland, Yavapai College, Grand Canyon |
| Mike Leal | OF | 2016-2018 | Lamar, Galveston College |
| Trevor Leamer | UT | 2019-2020 | Mount Saint Mary |
| Wesley Leander | C | 2013-2014 | Oral Roberts |
| Tate Leapaldt | IF | 2013-2013 | North Dakota State, Mary |
| James Lear | IF-OF | 2013-2015 | Southern Miss, Northwest Mississippi CC |
| JD Learnard | P | 2010-2014 | Illinois State |
| Ross Learnard | P | 2015-2018 | Purdue, Parkland College |
| Seth Learned | OF | 2017-2017 | Holy Cross |
| Andrew Leary | P | 2009-2009 | San Diego State, Southern Nevada |
| Sean Leary | P | 2012-2015 | Pepperdine, Orange Coast College, Oral Roberts |
| Jeffrey Lease | P | 2009-2009 | American River College, Long Beach State |
| Josh Leaser | P | 2017-2020 | Air Force |
| Bryce Leasure | C | 2017-2019 | The Citadel |
| Jordan Leasure | P | 2017-2020 | Tampa |
| Kevin Leasure | IF-OF | 2004-2007 | Lafayette College |
| Steven Leasure | P | 2010-2013 | South Florida, Manatee-Sarasota |
| Jackson Leath | P | 2018-2020 | Tennessee, Blinn College |
| Quinn Leath | P | 2006-2007 | Western Illinois, Illinois Central College |
| Hayden Leatham | OF | 2018-2020 | Brigham Young, College of Southern Idaho |
| Ian Leatherman | P | 2019-2020 | College of Charleston, Central Michigan |
| Pat Leatherman | P | 2015-2019 | Central Michigan |
| Wil Leathers | 2B | 2013-2015 | Elon, Spartanburg Methodist College |
| Ted Leathersich | OF | 2017-2019 | Massachusetts-Lowell |
| Brian Leatherwood | P | 2002-2005 | James Madison |
| David Leatherwood | IF | 2006-2007 | McNeese State, Texas A&M |
| Hayden Leatherworod | OF | 2018-2020 | Mississippi, Northwest Mississippi CC |
| Michael Leaumont | P | 2018-2019 | Louisiana-Lafayette |
| Gardner Leaver | P | 2008-2011 | Rhode Island |
| Greg Leaver | OF | 2003-2004 | Fairfield |
| Jason Leaver | P | 2006-2009 | Georgia |
| Nick Leaverton | P | 2016-2018 | Valparaiso |
| Keith Leavitt | OF | 2016-2019 | Penn State, Eckerd College |
| Logan Leax | OF-1B | 2020-2020 | George Washington |
| Jake Leba | H | 2001-2002 | SE Louisiana |
| Eric LeBaron | P | 2009-2011 | San Jose State, College of Marin |
| Cherokee LeBeau | IF | 2019-2019 | Oakland |
| Justin Lebek | OF-P | 2017-2019 | Davidson College |
| Jake Lebel | 1B | 2016-2019 | New York Tech |
| Mike LeBel | IF | 2009-2013 | Rhode Island |
| Zachary LeBeouf | IF | 2013-2013 | Nicholls State |
| Josh Lebert | IF | 2009-2011 | McNeese State |
| David LeBioda | 1B | 2020-2020 | Pepperdine |
| Blake Leblanc | OF | 2011-2011 | New Orleans, Baton Rouge CC |
| Bryson LeBlanc | OF | 2005-2006 | Missouri, Delgado CC |
| Cade Leblanc | P | 2011-2014 | Southern, William Carey |
| Cody LeBlanc | P | 2005-2006 | Lamar, Hill College, Louisiana-Lafayette |
| Colby Leblanc | C | 2015-2018 | Central Arkansas, Northeastern Oklahoma A&M College |
| Horace Leblanc | IF-C | 2015-2018 | Texas Southern |
| Hunter LeBlanc | OF | 2019-2020 | Southern Miss |
| Jake LeBlanc | P | 2008-2010 | South Alabama |
| Keaton Leblanc | P | 2010-2014 | Miss. Valley St, Wayne State University |
| Luke LeBlanc | P | 2016-2016 | Nicholls State |
| Rene LeBlanc | P | 2007-2008 | SE Louisiana, College of Santa Fe, Florida |
| Shane LeBlanc | P | 2010-2011 | South Alabama |
| Shawn LeBlanc | P | 2004-2004 | --- |
| Waylon LeBlanc | IF | 2018-2019 | Nicholls State |
| Justin Lebleu | P | 2005-2008 | McNeese State |
| Phillip LeBleu | IF | 2013-2014 | McNeese State |
| Travis Lebouf | IF | 2005-2005 | UC Santa Barbara, El Camino College, East Los Angeles College |
| Justin Lebowitz | P | 2000-2003 | Brown |
| Shane Leboyd | P | 2003-2003 | Southern |
| Max Lebrato | P | 2016-2019 | Oakland, Mott CC |
| Mike Lebreton | P | 2008-2011 | Louisiana Tech |
| Marc Lebreux | OF | 2018-2020 | Virginia, Seminole State College |
| Dawy Lebron | P | 2017-2020 | Saint Peter's, Monroe CC, Connors State College |
| Gabriel Lebron | H | 2011-2012 | Alcorn State |
| Calvin Lebrun | P | 2015-2018 | Gonzaga |
| Cory LeBrun | OF | 2013-2015 | Gonzaga, South Mountain CC |
| Drew Lechnir | OF | 2020-2020 | Central Michigan |
| Zach Lechnir | IF | 2020-2020 | Central Michigan |
| Craig Lechowicz | P | 2001-2003 | Illinois |
| JD Leckenby | P | 2011-2013 | Washington State |
| Christian Leckert | P | 2016-2017 | James Madison |
| Ryan Leckich | P | 2017-2020 | Baylor |
| Dan Leckie | SS | 2016-2020 | Lafayette College, Richmond |
| Gary Leclair | OF | 2012-2015 | Va Military Inst. |
| Jason Leclerc | C | 2008-2008 | Vermont |
| Mike Leclerc-Spier | P | 2006-2008 | Lafayette College |
| Cody Lecompte | P | 2016-2019 | Texas A&M-Corpus Christi, Blinn College |
| Bobby LeCount | 3B | 2012-2013 | Edmonds CC, New Mexico State |
| Bradley Lecroy | OF | 1997-2000 | Clemson |
| Matthew Ledbetter | SS-2B | 2002-2006 | Austin Peay |
| Matt Lederhos | P-OF | 2001-2003 | Boston College |
| Joey Ledesma | 1B | 2005-2005 | Oregon State, Pima CC |
| Philip Ledet | P | 2006-2006 | Northwestern State |
| Alex Ledford | P | 2013-2015 | Samford, Louisburg College |
| Kale Ledford | --- | 2020-2020 | Georgia |
| Noah Ledford | IF | 2019-2019 | Georgia Southern |
| Steele Ledford | OF | 2018-2020 | UC Santa Barbara, Ventura College |
| Thad Ledford | C | 2006-2007 | Texas-Arlington, Odessa |
| Andrew Ledger | P | 2009-2009 | Winthrop |
| Conor Ledger | OF | 2013-2017 | Northern Kentucky |
| Adam Ledlow | P | 2004-2007 | Tennessee-Martin |
| Blake Ledoux | C | 2018-2020 | Army, Alvin CC |
| Adam Leduc | P | 2005-2007 | Le Moyne |
| Matt Leducq | P | 2001-2002 | Hawaii, Santa Rosa Junior College |
| Parks Ledwell | P | 2020-2020 | High Point |
| Adam Lee | UT | 2013-2016 | Lipscomb, Central Arizona College |
| Adrian Lee | P | 2002-2003 | Southern |
| Alex Lee | OF | 2007-2010 | Clemson, Francis Marion |
| Alex Lee | IF | 2008-2011 | Wofford |
| Alex Lee | IF | 2012-2015 | Illinois-Chicago, Des Moines Area CC |
| Austin Lee | P | 2005-2005 | South Alabama |
| Ben Lee | P | 2016-2016 | Lipscomb |
| Blake Lee | IF | 2010-2010 | Savannah State |
| Brandon Lee | C | 2009-2012 | Cornell |
| Brandon Lee | OF | 2015-2017 | Army |
| Brian Lee | OF | 2005-2006 | UC Santa Barbara, Los Angeles Pierce College |
| Brian Lee | IF | 2013-2013 | William and Mary |
| Brooks Lee | SS | 2020-2020 | Cal Poly |
| Bryan Lee | P | 2000-2003 | Hawaii |
| Bryce Lee | P | 2013-2014 | Va. Commonwealth |
| Caleb Lee | P | 2017-2019 | Oral Roberts, Seminole State College |
| Chad Lee | P | 2013-2016 | Stony Brook |
| Charles Lee | P | 2004-2007 | Belmont |
| Chase Lee | P | 2019-2020 | Alabama |
| Chris Lee | IF | 2004-2006 | Florida A&M, Tallahassee CC |
| Colby Lee | P | 2017-2020 | South Carolina, Francis Marion |
| Colin Lee | P | 2013-2015 | Memphis |
| Colton Lee | P | 2013-2017 | Louisiana-Lafayette, Pearl River CC, Southwest Mississippi CC |
| Corace Lee | C | 2004-2005 | Jackson State |
| Coulton Lee | P | 2014-2018 | Arkansas State |
| Dailin Lee | OF | 2017-2019 | UC Irvine |
| Daniel Lee | UT | 2007-2007 | Pepperdine, Glendale CC CA |
| Daniel Lee | C-OF | 2009-2012 | Florida A&M |
| Darnell Lee | IF | 2015-2015 | Southern |
| David Lee | OF | 2010-2013 | Bethune-Cookman |
| DJ Lee | OF | 2015-2019 | Richmond |
| Dustin Lee | OF | 2002-2003 | Texas-Pan American |
| Dylan Lee | P | 2013-2015 | Charleston Southern, Chattahoochee Val |
| Edison Lee | OF | 2001-2002 | Alcorn State, Campbell, Copiah-Lincoln CC |
| Evan Lee | UT | 2017-2018 | Kent State, Ashland |
| Geoffrey Lee | OF-IF | 2015-2016 | Portland |
| Harrison Lee | P | 2020-2020 | Stephen F. Austin |
| Hunter Lee | P | 2017-2020 | Iowa, Kirkwood CC |
| Jake Lee | P | 2016-2019 | Georgia Tech |
| James Lee | P | 2005-2007 | Navy |
| Jared Lee | P | 2010-2011 | UNLV, Pepperdine |
| Jeremy Lee | H | 2002-2002 | Western Illinois |
| Jerrette Lee | OF | 2017-2017 | Pennsylvania |
| Jesse Lee | OF | 2013-2017 | Rhode Island |
| John Lee | OF | 2007-2010 | Nebraska, South Dakota State |
| Johnny Lee | IF-OF | 2006-2009 | Michigan State |
| Jordan Lee | OF | 2012-2015 | Texas A&M-Corpus Christi |
| Jordan Lee | P | 2015-2018 | Georgia State, Chattahoochee Val |
| Josh Lee | IF | 2011-2015 | Vanderbilt, Lipscomb, Central Arizona College |
| Justin Lee | IF | 2000-2004 | UNC-Greensboro, Appalachian State |
| Justin Lee | OF | 1997-1997 | McLennan CC, Texas |
| Justin Lee | SS | 2012-2016 | Norfolk State |
| Kevin Lee | C | 2008-2011 | Iowa |
| Kevin Lee | P | 2011-2012 | Rhode Island |
| Kurt Lee | IF | 2010-2011 | Iowa, Shasta College, Lassen CC |
| Lawrence Lee | OF | 1973-1973 | Broward College, Clemson |
| Logan Lee | P | 2009-2012 | Army |
| Matt Lee | P | 2009-2009 | North Carolina Central |
| Mitchell Lee | P | 2018-2020 | Lamar, Tyler Junior College |
| Nathan Lee | P | 2002-2002 | Fresno State |
| Nicholas Lee | P | 1999-1999 | Florida Southern, Massasoit CC |
| Noah Lee | C | 2015-2018 | Texas-Pan American, Cisco Junior College |
| Peyton Lee | P | 2017-2019 | SE Louisiana, Pearl River CC |
| Ryan Lee | 1B | 2008-2008 | Furman |
| Ryan Lee | OF | 2010-2013 | Fordham |
| Ryan Lee | P | 2015-2019 | Missouri, Emporia State |
| Sheldon Lee | P | 2012-2015 | San Francisco |
| Tobias Lee | P | 2010-2010 | Florida A&M |
| Tommy Lee | OF | 2006-2010 | Winthrop, Georgetown |
| Tony Lee | OF | 2000-2002 | Georgetown |
| Tony Lee | H | 2006-2006 | Air Force |
| Travis Lee | P | 2012-2013 | Georgia State, Darton College |
| Travis Lee | OF | 2013-2015 | Sam Houston State, Paris Junior College |
| Tyler Lee | P | 2006-2007 | Morehead State |
| Tyler Lee | IF | 2015-2015 | Southern |
| Warren Lee | P | 2020-2020 | Tennessee-Martin |
| Zach Lee | IF | 2011-2014 | North Carolina Central, Wake Tech, Francis Marion |
| Zack Lee | P | 2020-2020 | Kentucky |
| Asher Lee-Tyson | IF-OF | 2015-2018 | Princeton |
| Anthony Leedle | P | 2017-2020 | Chicago State, Rock Valley College |
| Mitch Leeds | P | 2013-2016 | Lafayette College |
| Tyler Leek | OF | 2017-2020 | Appalachian State, North Greenville |
| Josh Leemhuis | OF | 2010-2014 | North Carolina, George Mason |
| Mason Leeming | P | 2016-2019 | Ark-Little Rock, Galveston College |
| Chris Leendertse | IF | 2005-2008 | Niagara |
| Austin Leeney | C | 2013-2016 | Elon, Eastern FL ST |
| Ben Leeper | P | 2016-2020 | Oklahoma State |
| Drew Leeper | P | 2007-2008 | Murray State, Neosho County CC. |
| Hunter Leeper | IF | 2015-2016 | SE Missouri State, Mineral Area College |
| Peyton Leeper | UT | 2020-2020 | SE Missouri State |
| Justin Leeson | P | 2010-2013 | Georgetown |
| David Leeth | P | 2011-2011 | The Citadel |
| Luke Leeth | P | 2013-2014 | Samford |
| Steve Lefaivre | OF | 2001-2004 | Wake Forest |
| Bryce Lefebvre | 3B | 2008-2010 | Scottsdale CC, UC Santa Barbara, Grand Canyon |
| Derek Lefever | OF | 2009-2010 | Duquesne |
| Will Lefever | IF-OF | 2007-2008 | SE Louisiana |
| Ryan LeFevers | OF | 2013-2016 | Northern Kentucky |
| Alex LeFevre | C | 2016-2017 | Connecticut, Connecticut-Avery Point |
| Ryan Leffel | IF | 2012-2016 | Ohio State |
| Zane Leffew | P | 2011-2012 | Austin Peay, Cleveland State CC |
| DJ Leffler | P | 2010-2010 | Tennessee, Saddleback College |
| Keegan Leffler | P | 2018-2020 | UMD-Baltimore Cty, Herkimer County CC |
| Jason Lefkowitz | IF | 2005-2006 | Loyola Marymount, Solano CC (CA) |
| Billy Leflore | OF | 2019-2019 | Miss. Valley St |
| Ryan Lefner | P | 2016-2019 | Saint Louis |
| Alex LeForestier | IF | 2018-2020 | Pacific |
| Shane Lefteley | C | 2011-2012 | Texas Southern, Wharton County Junior College |
| Brodie Leftridge | OF | 2015-2018 | Tennessee |
| Jack Leftwich | P | 2018-2020 | Florida |
| Scott Legan | 2B | 2002-2002 | Illinois State |
| Ty Legan | OF | 2007-2011 | Evansville |
| Jeremy Legania | OF | 2012-2013 | Chicago State |
| John Legare | OF | 2017-2017 | Purdue |
| Dale Legaspi | IF | 2002-2005 | USC |
| Chad Legate | OF | 2002-2004 | Tennessee |
| Emile Lege | P | 2017-2017 | Northwestern State, Louisiana-Lafayette |
| Ethan Lege | IF | 2020-2020 | Nicholls State |
| Gunner Leger | P | 2015-2019 | Louisiana-Lafayette |
| D.C. Legg | IF | 2008-2012 | Cal State Bakersfield, Utah |
| Derek Legg | IF | 2009-2012 | Long Beach State, Cal State Fullerton |
| Jacob Legg | P | 2003-2006 | Alabama, Alabama-Birmingham |
| Austin Leggett | P | 2014-2014 | UW Milwaukee |
| Austin Leggett | C | 2015-2015 | Savannah State |
| Cody Leggett | P | 2005-2007 | East Carolina |
| Kyle Leggett | P | 2014-2016 | Lamar, Galveston College |
| Tanner Leggett | 2B-SS | 2005-2006 | Clemson |
| Tanner Leggett | IF | 2020-2020 | Mississippi State |
| Nicholas Leggio | OF | 2013-2015 | New York Tech, Philadelphia |
| Andrew Leggo | IF | 2018-2020 | Arkansas State |
| Joe Leghorn | C | 2007-2008 | New Mexico State, Laredo CC |
| Michael Legrange | OF | 2011-2012 | Nicholls State, Meridian CC, Northwest Florida State College |
| Thomas Legregni | IF | 2006-2009 | Hofstra |
| Steve Legrett | OF | 2004-2007 | University at Buffalo, Stony Brook |
| Jordan LeGros | P | 2009-2011 | McNeese State, Bossier Parish CC |
| Chris Leguenec | C | 2002-2005 | Middle Tenn State |
| Casey Legumina | P | 2017-2019 | Gonzaga |
| Chris Lehane | OF | 2015-2018 | Jacksonville |
| Kevin Lehane | IF | 2009-2011 | Jacksonville |
| Devin Lehman | IF | 2015-2017 | Sacramento State |
| Greg Lehman | 3B-1B | 2003-2004 | Niagara, Jefferson NY |
| Hayden Lehman | P | 2017-2019 | South Carolina, Walters State CC |
| Jared Lehman | P | 2006-2008 | Campbell |
| Erich Lehmann | P | 2006-2009 | Stephen F. Austin |
| Keith Lehmann | IF-P | 2014-2017 | Michigan |
| Taylor Lehnert | P | 2013-2013 | Central Michigan |
| Clay Lehning | IF | 2006-2009 | Liberty, Lipscomb |
| Tyler Lehrmann | P | 2018-2020 | South Alabama, Tallahassee CC |
| Brian Lehto | P | 2011-2011 | Cleveland State |
| Graham Leib | OF | 2016-2017 | Saint Joseph's |
| Jeremy Leibfried | P | 2002-2004 | UW Milwaukee |
| Alon Leichman | COACH | 2012-2016 | UC San Diego, Cypress College |
| Cody Leichman | IF | 2013-2015 | Central Michigan, Wabash Valley College |
| Mark Leichtman | P | 2008-2011 | Oakland |
| Joel Leichty | P | 2010-2012 | Butler |
| Nick Leid | IF | 2008-2010 | Nevada |
| David Leiderman | IF | 2014-2017 | Hofstra |
| J.T. Leidholdt | OF | 2012-2012 | Northern Colorado, Wyoming |
| Jamie Leidolf | P-OF | 2004-2007 | Murray State |
| Kyle Leiendecker | P | 2008-2009 | Indiana |
| Collin Leif | C | 2013-2016 | Nebraska at Omaha |
| Clare Leifer | OF | 1968-1969 | Washington |
| Bobby Leigh | OF | 2005-2005 | Pacific, Dixie State College |
| James Leigh | P | 2007-2009 | SE Missouri State, Texarkana College |
| Zachary Leigh | P | 2017-2020 | Texas State |
| Kevin Leighton | C | 1999-2001 | Seton Hall |
| Matt Lein | 3B | 2002-2003 | Wofford |
| Jon Leines | P | 2005-2006 | Northern Colorado, Yavapai College |
| Nick Leiningen | P | 2011-2014 | Sacred Heart |
| Drew Leininger | P | 2009-2012 | Indiana |
| Jared Leins | P | 2018-2020 | Navy |
| Jordan Leinweber | OF | 2013-2015 | Rider, Seward County CC, Salt Lake CC |
| Jon Leise | OF | 2005-2008 | Rider |
| Ian Leisenheimer | OF | 2009-2012 | Maine |
| Justin Leisenheimer | IF | 2009-2012 | Maine |
| Luke Leisenring | C | 2018-2020 | Arizona State, South Carolina-Aiken |
| Brad Leiser | P | 2003-2003 | Holy Cross |
| Ryan Leitch | C | 2020-2020 | Marshall |
| Wade Leitch | P | 1977-1978 | Gonzaga |
| Tino Leite | IF | 2012-2016 | UNC-Greensboro, Concordia, Academy of Art |
| Tony Leite | OF | 2015-2018 | Norfolk State |
| Ethan Leiter | IF | 2010-2012 | Utah, Yavapai College |
| Jack Leiter | P | 2020-2020 | Vanderbilt |
| Brandon Leitgeb | IF | 2018-2020 | Washington |
| Jim Leitgeb | IF | 2004-2007 | Penn State |
| Justin Leith | P | 2009-2012 | Florida Intl, Tampa |
| Kyle Leith | P | 2006-2009 | Richmond |
| Larry Leitha | OF-P | 2018-2020 | New Mexico, Lubbock Christian University |
| Robert Leitzen | C | 2004-2004 | Chicago State |
| Craig Lejeune | P | 2011-2015 | George Washington |
| Logan LeJeune | OF | 2018-2020 | Lamar |
| Scott LeJeune | IF | 2009-2013 | Texas Tech |
| Zach Lekse | IF | 1999-2000 | Oklahoma, Sacramento City College |
| Michael Lelko | P | 2013-2015 | Georgia State |
| Chase Lemaster | P | 2012-2013 | Radford |
| Pat Lemasters | 1B | 2002-2005 | Kent State, Cincinnati |
| Mike Lembo | P | 2013-2017 | Sacred Heart |
| Len Lemelle | OF | 2010-2010 | Southern |
| Blake Lemen | IF | 2007-2008 | Texas Tech |
| Jed Lemen | P | 2012-2014 | Binghamton |
| Adam Lemieux | OF | 2001-2004 | Southern Maine |
| Hunter Lemke | P | 2011-2014 | Texas State |
| Tim Lemke | 3B-C | 2002-2003 | McNeese State |
| Tom Lemke | P | 2010-2012 | Nebraska |
| Cole Lemmel | OF | 2017-2018 | California |
| Ryan Lemoine | P | 2017-2018 | Ark-Little Rock, Central Oklahoma |
| Jim Lemon | 2B | 1972-1973 | Creighton |
| Luke Lemon | P | 2002-2002 | Va. Commonwealth, Barton County CC |
| Mark Lemon | 3B-SS | 2005-2008 | UMD-Baltimore Cty |
| Justin Lemond | IF-P | 2013-2014 | Alcorn State |
| Scott Lemone | IF-P | 2001-2001 | Chico State, Boston College |
| Dylan Lemons | IF | 2015-2018 | Tarleton State, Hill College |
| Nathan Lemos | P | 2019-2019 | UC Davis |
| Jordon Lenaburg | OF | 2012-2013 | Stephen F. Austin, Alvin CC |
| Ryan Lenaburg | P | 2014-2015 | SE Missouri State, Redlands CC |
| James Lengal | P | 2012-2015 | Brigham Young |
| Matt Lengel | P | 2011-2014 | Villanova |
| Charlie Lenhard | OF | 2004-2007 | Akron |
| John Lenherr | OF | 2010-2011 | Va. Commonwealth, Johnson County CC |
| Joshua Lenig | C | 2014-2017 | Mount Saint Mary |
| Daniel Lenihan | 1B-OF | 2003-2004 | Texas-Arlington, Cedar Valley College |
| Kevin Lenkman | P | 2012-2012 | Butler |
| Ryan Lennerton | P | 2004-2004 | Eastern Oklahoma State College, Arkansas |
| Andy Lennington | UT | 2012-2015 | SE Missouri State |
| Billy Lennox | IF | 2017-2018 | Towson, Frederick CC |
| Sean Lennox | P | 2006-2007 | Davidson College |
| Zac Lenns | OF | 2012-2015 | Georgia Southern, Francis Marion |
| Brandon Lenoir | 1B-OF | 2002-2003 | Old Dominion, Central Florida CC |
| Matt Lenski | C | 2008-2009 | Valparaiso, Madison Area Technical College |
| Peter Lenstrohm | P | 2012-2015 | Tennessee, Yavapai College |
| Joe Lent | OF | 2010-2012 | UC Santa Barbara, Long Beach City College |
| Andy Lentz | OF | 2005-2008 | Washington |
| Andy Lentz | IF | 2009-2012 | Georgetown |
| Dan Lentz | P | 2004-2006 | Michigan |
| John Lentz | IF | 2001-2004 | William and Mary |
| Tommy Lentz | OF | 2004-2007 | Winthrop |
| Jason Leo | P | 2006-2007 | Lehigh |
| Joe Leo | P | 2010-2012 | Lafayette College |
| Conan Leon | P-IF | 2011-2013 | Iona College |
| David Leon | IF | 2008-2012 | Youngstown State |
| Derek Leon | 3B | 2004-2004 | Fairfield |
| Iosmel Leon | C | 2010-2012 | Florida Intl, Miami-Dade College |
| Jason Leon | P | 2003-2004 | Bethune-Cookman, Palm Beach State College |
| Jose Leon | P | 2009-2012 | Chicago State |
| Louis Leon | IF | 2001-2002 | Iowa |
| Mario Leon | P | 2014-2018 | Florida Gulf Coast |
| Nathaniel Leon | P | 2013-2016 | Saint Peter's |
| Pedro Leon | OF-IF | 2008-2009 | UNC-Greensboro, Pima CC |
| Andy Leonard | IF | 2008-2011 | Illinois-Chicago |
| Austin Leonard | P | 2017-2019 | Davidson College |
| Conner Leonard | IF | 2015-2018 | Appalachian State |
| Dan Leonard | IF | 2004-2007 | Miami |
| DJ Leonard | OF | 2010-2011 | Bethune-Cookman, St. Petersburg College, Palm Beach State College |
| Grant Leonard | P | 2017-2020 | Iowa, North Central College |
| John Leonard | P | 2008-2011 | Boston College |
| Kyle Leonard | P | 2011-2011 | Bryant University |
| Luke Leonard | OF | 2015-2019 | Georgia State |
| Mark Leonard | P | 2017-2020 | Tennessee Tech, Florence-Darlington Tech |
| Nick Leonard | P | 2014-2017 | Georgetown |
| Nick Leonard | P | 2015-2015 | Washington State |
| Owen Leonard | P | 2017-2020 | Washington State, Pacific University |
| Randy Leonard | OF | 2001-2004 | Yale |
| Reid Leonard | IF | 2016-2019 | Morehead State |
| Robert Leonard | P-1B | 2004-2007 | Stony Brook |
| Steve Leonard | 3B-OF | 1996-1999 | Texas A&M |
| Trey Leonard | C | 2007-2017 | North Florida, Gulf Coast CC |
| Trey Leonard | OF | 2019-2020 | Louisville |
| Trey Leonard | P | 2018-2020 | Jacksonville State, Snead State CC |
| Zack Leonard | IF | 2008-2011 | Eastern Michigan |
| Antonio Leonardi | P | 1993-1997 | LSU |
| J.R. Leonardi | P | 2010-2014 | Pittsburgh |
| Jake Leonardo | C | 2011-2012 | George Mason, Neosho County CC. |
| Beau Leonards | P | 2020-2020 | Wichita State |
| Dax Leone | P | 1999-2000 | Texas, Seminole State College |
| Josh Leone | P | 2014-2017 | Louisiana-Monroe |
| Ryan Leone | P | 2015-2017 | New Orleans, Northwest Florida State College |
| Zack Leone | C | 2014-2018 | Massachusetts, Susquehanna, Valparaiso |
| Pete Leonello | OF | 2011-2014 | Long Island-Brooklyn |
| Dylan Leong | OF | 2010-2013 | La Verne |
| Brian Leonhardt | P-IF | 2019-2020 | San Diego State |
| Josh Leonhardt | OF | 2015-2016 | Houston Baptist, Eastfield College |
| Frank Leoni | SS | 1990-1991 | Rhode Island |
| Vince Leoni | P | 2015-2015 | Georgetown |
| Tom Leonick | C | 2005-2008 | New York Tech |
| Jack Leopard | C | 2003-2006 | Wright State |
| Stephen Leopard | P | 2013-2014 | Charleston Southern, Spartanburg Methodist College |
| David Leos | SS | 2002-2002 | Texas-Pan American, Cal State Dominguez Hills, Saddleback College |
| Wes Leow | OF | 2014-2016 | Washington State |
| Thomas Lepage | OF | 2004-2007 | Jacksonville |
| Teddy Lepcio | P | 2019-2020 | Army |
| Nolan Lepkoske | P | 2020-2020 | Central Florida |
| Matt Lepoint | P | 2019-2019 | Army |
| Mike Lepor | SS-2B | 2007-2007 | Pittsburgh, Grand Rapids CC |
| Justin Lepore | OF | 2004-2007 | Marist |
| Tony Lepore | IF | 2009-2010 | Southern Illinois, South Suburban College |
| Kaleb Lepper | OF | 2017-2020 | Cornell |
| Chuck Leppo | P | 2005-2007 | New Jersey Tech |
| Nick LePre | P | 2018-2020 | Wagner |
| Carlos Lequerica | P | 2019-2020 | Bethune-Cookman |
| John Lequia | C-IF | 2006-2007 | Bradley |
| Justin Leraris | P | 2001-2002 | Arkansas |
| Corey Lerche | 1B | 2013-2016 | Rutgers, Central Ct State, Rowan-Gloucester |
| Alex Lerda-Plog | P | 2010-2011 | Air Force |
| Matt Lerner | OF | 2012-2013 | Lafayette College |
| Shayne LeRouge | C | 2014-2014 | New Orleans, Delgado CC |
| Thomas Lerouge | OF | 2015-2017 | Grand Canyon |
| Chris Leroy | P | 2010-2013 | Rider |
| Josh LeRoy | C-OF | 2005-2007 | South Florida |
| Jordan Lert | IF | 2004-2007 | Fordham |
| Billy Les | IF | 2010-2010 | Chicago State, South Suburban College |
| Quinn Lesage | P | 2006-2007 | Campbell, Lower Columbia CC |
| Trevor Lesane | OF | 2017-2020 | Erskine College, Wake Tech |
| Bryan Lescanec | H | 2007-2009 | James Madison, Virginia |
| Luke Lesch | P-1B | 2020-2020 | Rider |
| Tyler Lesch | OF | 2011-2014 | USC-Upstate, Seminole Florida |
| Tony Leseman | OF | 2003-2006 | Minnesota |
| Zach Lesher | IF | 2019-2020 | Delaware |
| Alex Leshock | OF | 2018-2020 | Appalachian State |
| Aaron Lesiak | P | 2014-2017 | Presbyterian College, The Citadel |
| Alex Lesiak | P | 2013-2016 | Southern Illinois, Parkland College |
| Jake Lesinski | C | 2014-2015 | Cal Poly |
| Matthew Leskiw | OF | 2007-2010 | Va. Commonwealth |
| Brandon Leslie | P | 2000-2003 | Rider |
| Denzel Leslie | OF-P | 2010-2010 | Delaware State |
| Logan Leslie | IF | 2008-2009 | Texas Tech, Odessa |
| Mike Leslie | P | 2001-2002 | University at Buffalo |
| Nyal Leslie | 3B | 1966-1966 | Arizona |
| Steve Lesniak | IF | 2006-2006 | Illinois State |
| Jarod Lessar | P | 2017-2020 | Brigham Young, Eastern Utah CC |
| Hunter Lessard | IF | 2017-2020 | Texas-Pan American, Glendale CC AZ, Ottawa |
| Logan Lessard | P | 2015-2018 | Bryant University |
| Hayden Lessenberry | C | 2014-2017 | Henderson State |
| Sean Lesser | OF-C | 2003-2003 | Lafayette College |
| Billy Lester | P | 2001-2002 | Purdue |
| Carson Lester | P-OF | 2016-2019 | Middle Tenn State |
| Curtis Lester | OF | 2000-2002 | Towson |
| Dylan Lester | P | 2018-2020 | Houston, San Jacinto, Pittsburgh |
| Matt Lesyk | SS | 2006-2007 | New Orleans, El Paso CC, Marist |
| Alan Letchworth | P | 2005-2006 | NC State, Pitt CC, Barton College |
| Garrett Letchworth | P | 2017-2020 | High Point |
| Jon Letchworth | P | 2016-2017 | Liberty |
| Landon Letchworth | P | 2015-2016 | Gardner-Webb, Pitt CC |
| Mark Letchworth | OF | 2007-2007 | Louisburg College, East Carolina |
| Dylan Letellier | IF | 2018-2020 | Murray State |
| Tom Letezia | IF | 2003-2006 | Rider |
| Jason Leto | OF-2B | 1993-1993 | St. Petersburg College, Florida Southern |
| Vincent Leto | OF | 2013-2014 | South Florida |
| Logan Letofsky | P | 2014-2016 | Northern Colorado, Ventura College, CSU-Pueblo |
| Andrew Letourneau | OF | 2009-2012 | Wichita State, Cal State Bakersfield, Bakersfield College |
| David Lett | IF | 2015-2016 | Eastern Michigan |
| Josh Lett | P | 2007-2008 | UNC Asheville, Louisiana-Monroe |
| Sammy Lett | P | 2010-2010 | Appalachian State |
| TJ Lett | OF | 2014-2017 | Notre Dame College |
| Dimitri Lettas | P | 2014-2017 | Elon |
| Nick Lettas | P | 2009-2009 | High Point |
| Greg Lettini | OF | 2010-2013 | Hofstra |
| Kevin Letz | P | 2002-2005 | New Mexico |
| Stephen Letz | OF | 2013-2016 | Northern Illinois, South Suburban College |
| Michael Letzter | C | 2008-2011 | Butler |
| Fox Leum | IF | 2017-2020 | Coastal Carolina, North Iowa Area CC |
| Dalton Leuschke | IF-OF | 2013-2015 | North Dakota, Des Moines Area CC |
| Ben Leuthard | P | 2000-2003 | San Diego State |
| Stanton Leuthner | IF | 2020-2020 | Stony Brook |
| Matt Leuty | IF | 2015-2015 | Nebraska |
| Matt Leva | P | 2004-2006 | Stanford |
| Thomas Levander | IF | 2012-2012 | Charleston Southern, South Carolina-Salkehatchie |
| Gabe Levanti | C | 2014-2017 | Northeastern, Le Moyne |
| Ryan Levenhagen | 1B-OF | 2013-2016 | Army |
| Andrew Levenson | IF | 2003-2004 | Kentucky |
| Matt Levenson | IF | 2019-2020 | Winthrop |
| Tim Leveque | P | 2000-2003 | Michigan |
| Jeff Lever | P | 2001-2002 | Liberty |
| Ryan Lever | SS-2B | 2016-2019 | Massachusetts |
| Chris Levere | P-IF | 2018-2020 | Maryland-Eastern Shore, Monroe CC, Mary Washington |
| Miles Levere | IF | 2019-2020 | Maryland-Eastern Shore, Montgomery College |
| Jay Leverett | IF | 2016-2018 | SW Oregon CC, Skagit Valley College |
| Logan Leverett | OF | 2013-2015 | Illinois State, SE ILL College |
| Travis Leverson | OF | 2009-2009 | Centenary College, Santa Ana College |
| Mark Levesque | P | 2017-2020 | Siena College, Winston-Salem State, Plymouth State University |
| Michael Levi | 1B | 2007-2007 | Louisiana-Lafayette, Mesa CC |
| Josh Levin | IF-OF | 2005-2006 | Sacramento State, American River College, Chico State |
| Noah Levin | UT | 2019-2020 | George Washington |
| Chris Levine | P | 2001-2002 | SE Louisiana |
| Daniel Levine | P | 2012-2013 | Nevada, Irvine Valley College |
| Gabe Levine | P | 2018-2018 | Lafayette College |
| Jake Levine | H | 2007-2007 | Harvard |
| Jake Levine | IF-OF | 2013-2016 | Brown |
| Mike Levine | IF | 2010-2013 | Saint Louis |
| Mitchell Levine | 3B-OF | 2007-2007 | George Mason |
| Ryan Levine | C | 2011-2011 | Virginia |
| Spencer Levine | OF-C | 2015-2018 | Florida Intl, Florida Gulf Coast, Seminole Florida |
| Will Levine | P | 2019-2020 | Arizona State |
| Tatem Levins | C | 2019-2020 | La Salle |
| Aaron Levinson | IF | 2005-2006 | Marshall, Mesa CC |
| Adam Levinson | C | 2005-2005 | Rider |
| Brad Levinson | OF | 2018-2020 | Fairleigh Dickinson |
| Zachary Levinson | SS | 2014-2017 | Adelphi |
| Jakob Levison | OF | 2015-2017 | Pennsylvania |
| Justin Levito | IF | 2019-2020 | Sacred Heart |
| Garret Levsen | P | 2013-2014 | Point Loma Nazarene, Whittier College |
| Aaron Levy | IF | 2018-2020 | Ohio |
| Chris Levy | P | 2012-2012 | UC Davis, Cabrillo College, Ohlone College |
| David Levy | P | 2002-2003 | San Diego State, Los Angeles Valley College |
| David Levy | IF | 2013-2015 | Georgia State, Chattahoochee Val |
| Gabe Levy | P | 2019-2020 | Davidson College |
| Josh Levy | P | 2017-2020 | Northwestern |
| Zach Lew | IF | 2019-2020 | Cal State Fullerton |
| Kevin Lewallyn | P | 2014-2017 | Duke |
| Mark Lewallyn | P | 2007-2010 | Samford |
| Dave Lewandoski | 3B | 2005-2008 | Saint Peter's |
| Greg Lewandoski | IF | 2018-2019 | Kent State |
| Thaddeus Lewandow | P | 2003-2003 | Le Moyne |
| Ian Lewandowski | P | 2013-2016 | Illinois-Chicago |
| Jesse Lewandowski | OF | 2000-2003 | Saint Peter's |
| Bobby LeWarne | P | 2013-2016 | George Washington |
| Chris Lewellyn | 2B | 2009-2010 | Austin Peay, Danville Area CC |
| Ed Lewicki | P | 2012-2015 | Siena College |
| Patrick Lewicki | P | 2009-2012 | Cornell |
| David Lewin | OF | 2002-2003 | Binghamton |
| CJ Lewington | P | 2014-2017 | Arkansas-Pine Bluff, SE ILL College |
| AJ Lewis | IF-C | 2017-2020 | Missouri, John A. Logan College, Eastern Kentucky |
| Alex Lewis | P | 2006-2006 | Columbia |
| Alex Lewis | 3B | 2014-2017 | Longwood |
| Ashton Lewis | IF | 2013-2016 | Alcorn State |
| Ben Lewis | P | 2002-2002 | San Jose State, De Anza |
| Blair Lewis | P | 2016-2019 | Pittsburgh, Orange Coast College, Rice |
| Bobby Lewis | IF | 2012-2013 | Morehead State, Lamar CC |
| Bradley Lewis | OF | 2015-2017 | Abilene Christian, Western Nevada CC |
| Brandon Lewis | H | 2004-2005 | Prairie View A&M |
| Brandon Lewis | P | 2016-2019 | Texas State |
| Brennan Lewis | P | 2016-2019 | Abilene Christian, Johnson County CC |
| Brent Lewis | 3B-1B | 2002-2004 | Mississippi State, Pepperdine |
| Brent Lewis | IF | 2011-2011 | Maryland-Eastern Shore |
| Brooks Lewis | C | 2001-2009 | Mississippi State, Lipscomb |
| C.J. Lewis | P-OF | 2020-2020 | Chicago State |
| Cal Lewis | H | 2006-2006 | South Dakota State, Feather River College |
| Campbell Lewis | OF | 2006-2009 | Furman |
| Chris Lewis | OF | 2007-2010 | Western Michigan |
| Chris Lewis | P | 2000-2003 | Duquesne |
| Chris Lewis | OF-C | 2004-2005 | Texas-San Antonio, Temple College |
| Chris Lewis | 1B | 2013-2016 | Sacramento State |
| Chris Lewis | IF | 2018-2020 | Alabama State |
| Christian Lewis | OF | 2000-2003 | UCLA |
| Cody Lewis | P | 2009-2013 | Arizona, Saddleback College, Penn State |
| Cody Lewis | OF | 2011-2011 | San Diego |
| Colton Lewis | P | 2020-2020 | Jacksonville State |
| Connor Lewis | P | 2017-2019 | Hartford |
| Dan Lewis | P | 2005-2006 | St. Mary's (CA), American River College |
| Darrell Lewis | P | 2005-2005 | Delaware |
| Daryl Lewis | P | 2007-2007 | South Florida, St. Petersburg College |
| Erik Lewis | IF | 2012-2015 | Long Beach State, Fullerton College, UC San Diego |
| Frankie Lewis | IF | 2006-2010 | Appalachian State |
| Grayson Lewis | IF | 2013-2016 | Rice, Navarro College |
| Hunter Lewis | IF | 2017-2019 | Indiana State, El Camino College |
| Jacob Lewis | P | 2017-2017 | Coppin State College |
| Jake Lewis | P | 2016-2020 | UNC-Greensboro |
| Jake Lewis | P | 2017-2019 | UNLV |
| Jake Lewis | P-1B | 2018-2020 | Eastern Kentucky |
| James Lewis | OF | 2002-2002 | Holy Cross |
| Jason Lewis | C | 2007-2007 | LSU, Chipola College |
| Jnana Lewis | IF | 2004-2004 | Jackson State |
| Jon Lewis | OF | 2003-2005 | Monmouth |
| Jonathan Lewis | SS | 2008-2008 | Pacific, Laney College |
| Jordan Lewis | IF | 2010-2013 | Stephen F. Austin, Northwood |
| Jordan Lewis | P | 2011-2012 | Houston, Western Nevada CC |
| Jordan Lewis | OF-P | 2014-2015 | Purdue |
| Josh Lewis | P | 2003-2006 | Indiana |
| Josh Lewis | P | 2017-2020 | Southern Miss, Miss Gulf Coast |
| Justin Lewis | P | 2020-2020 | Texas A&M-Corpus Christi |
| Kaylor Lewis | IF | 2015-2017 | Prairie View A&M |
| Kendall Lewis | P | 2009-2013 | Eastern Michigan |
| Kyle Lewis | P | 1997-2008 | UNC Wilmington |
| Kyle Lewis | IF | 2014-2017 | Arizona, Sierra College |
| Lance Lewis | H | 2006-2008 | Alabama State |
| Larry Lewis | OF | 1982-1982 | Cecil College, Towson |
| Lynn Lewis | SS | 2009-2010 | Jackson State, Lawson State CC |
| Mario Lewis | OF | 2006-2007 | UC Santa Barbara, Butte College |
| Matt Lewis | OF | 2004-2006 | Penn State |
| Michael Lewis | IF | 2001-2004 | Memphis |
| Michael Lewis | P | 2003-2003 | Delaware State |
| Michael Lewis | P | 2008-2009 | Gardner-Webb, Florence-Darlington Tech |
| Mike Lewis | P | 2002-2005 | Le Moyne |
| Miles Lewis | C-OF | 2016-2019 | North Dakota, Michigan |
| Nadir Lewis | OF | 2019-2020 | Princeton |
| Nate Lewis | IF | 2011-2014 | Oakland |
| Nick Lewis | P-IF | 2014-2017 | Baylor |
| Nick Lewis | IF-OF | 2017-2020 | South Alabama, Wallace CC, Valdosta State |
| Peyton Lewis | C | 2019-2020 | Texas State |
| Rhamad Lewis | OF | 2000-2003 | Southern |
| Robert Lewis | P | 2018-2020 | Quinnipiac |
| Roshaad Lewis | P | 2019-2019 | Jackson State |
| Ryan Lewis | P | 2000-2002 | Wake Forest, Providence College |
| Ryan Lewis | IF-OF | 2004-2004 | Northwestern State |
| Ryan Lewis | H | 2006-2006 | SE Louisiana |
| Ryan Lewis | OF | 2009-2012 | Rice |
| Steele Lewis | OF | 2008-2009 | Centenary College, Kellogg CC |
| Tim Lewis | OF | 2013-2015 | Maryland, Allen County CC |
| Troy Lewis | P-IF | 2014-2017 | Coastal Carolina, Delgado CC, Southern |
| Weston Lewis | OF | 2011-2011 | Chicago State, Colby CC, Truman State |
| Zeke Lewis | IF | 2017-2020 | Kentucky |
| Curtis Lewsey | OF | 2002-2005 | Sacred Heart |
| Jesse Lewter | P | 2005-2008 | Elon |
| Josh Lewyckyj | IF | 2010-2010 | Canisius College |
| Harry Ley | IF | 2001-2005 | Temple, Drexel |
| Mitchell Ley | P | 2016-2017 | Indiana U.-Purdue U.-FW, Lake Land College |
| Jacob Leyba | P | 2012-2013 | Cal State Northridge |
| Bobby Leyman | P-IF | 2016-2019 | Brown |
| Blake Leyva | 2B-SS | 2010-2011 | Santa Clara |
| Evan Leyva | C | 2013-2015 | Georgia State, Santa Fe CC |
| Blaise Lezynski | 3B-OF | 2012-2016 | Notre Dame, Mercer |
| 641 record(s) |