Major Leaguers known to have died during the 1912 calendar year.
| Gus Alberts | 0000-00-00 | 1912-05-07 | | IF | 5-6 | 180 | R | R | | Reading,PA | MLB | 1884-1891 | 1884-1891 | |
| Doc Amole | 1874-01-01 | 1912-03-09 | 38.068 | P | 5-9 | 165 | R | L | 1874-01-01 | Coatesville,PA | MLB | 1897-1898 | 1897-1898 | |
| Tug Arundel | 1862-06-30 | 1912-09-05 | 50.067 | C | 5-10 | 175 | R | R | 1862-06-30 | Auburn,NY | MLB | 1882-1888 | 1882-1888 | |
| Al Barker | 1839-01-18 | 1912-09-15 | 73.241 | OF | | 0 | | | 1839-01-18 | Lost Creek,IN | MLB | 1871-1871 | 1871-1871 | |
| Sam Barkley | 1858-05-24 | 1912-04-20 | 53.332 | 2B | 5-11 | 180 | R | R | 1858-05-24 | Wheeling,WV | MLB | 1884-1889 | 1884-1889 | |
| Bill Boyd | 1852-12-22 | 1912-10-01 | 59.284 | 3B-OF | | 250 | | | 1852-12-22 | New York,NY | MLB | 1872-1875 | 1872-1875 | |
| Josh Bunce | 1847-05-10 | 1912-04-28 | 64.354 | OF | | 0 | | | 1847-05-10 | Brooklyn,NY | MLB | 1877-1877 | 1877-1877 | |
| Cupid Childs | 1867-08-08 | 1912-11-08 | 45.092 | 2B | 5-8 | 185 | L | R | 1867-08-08 | Baltimore,MD | MLB | 1888-1901 | 1888-1901 | |
| Jim Conway | 1858-10-08 | 1912-12-21 | 54.074 | P | | 0 | R | R | 1858-10-08 | Upper Darby,PA | MLB | 1884-1889 | 1884-1889 | |
| Fred Corey | 0000-00-00 | 1912-11-27 | | 3B | 5-7 | 160 | R | R | | Coventry,RI | MLB | 1878-1885 | 1878-1885 | |
| Jim Doyle | 1881-12-25 | 1912-02-01 | 30.038 | 3B | 5-10 | 168 | R | R | 1881-12-25 | Detroit,MI | MLB | 1910-1911 | 1910-1911 | |
| Pembroke Finlayson | 1888-07-31 | 1912-03-06 | 23.219 | P | 5-6 | 140 | R | R | 1888-07-31 | Cheraw,SC | MLB | 1908-1909 | 1908-1909 | |
| Bill Finley | 1863-10-04 | 1912-10-06 | 49.002 | OF | 5-3 | 170 | | | 1863-10-04 | New York,NY | MLB | 1886-1886 | 1886-1886 | |
| Cherokee Fisher | 0000-00-00 | 1912-09-26 | | P-OF | 5-9 | 164 | R | R | | Philadelphia,PA | MLB | 1871-1878 | 1871-1878 | |
| Hank Gehring | 1881-01-24 | 1912-04-18 | 31.085 | P | | 0 | R | R | 1881-01-24 | St. Paul,MN | MLB | 1907-1908 | 1907-1908 | |
| Jim Gilman | 1870-06-14 | 1912-12-21 | 42.190 | 3B | | 0 | | R | 1870-06-14 | Cleveland,OH | MLB | 1893-1893 | 1893-1893 | |
| Ed Green | 0000-00-00 | 1912-11-01 | | P | | 0 | | | | Millville,NJ | MLB | 1890-1890 | 1890-1890 | |
| Jim Green | 1854-05-22 | 1912-12-22 | 58.214 | 3B | | 0 | | | 1854-05-22 | Windham,CT | MLB | 1884-1884 | 1884-1884 | |
| Heinie Heitmuller | 1883-05-25 | 1912-10-08 | 29.136 | OF | 6-2 | 215 | R | R | 1883-05-25 | San Francisco,CA | MLB | 1909-1910 | 1909-1910 | |
| Harry Keener | 1868-08-18 | 1912-03-25 | 43.220 | P | 5-10 | 185 | | R | 1868-08-18 | Easton,PA | MLB | 1896-1896 | 1896-1896 | |
| Ed Kenna | 1877-10-17 | 1912-03-22 | 34.157 | P | 6-0 | 180 | | R | 1877-10-17 | Charleston,WV | MLB | 1902-1902 | 1902-1902 | |
| Ed Kennedy | 1861-04-05 | 1912-12-22 | 51.261 | 3B | 5-7 | 160 | R | R | 1861-04-05 | Bellevue,KY | MLB | 1884-1884 | 1884-1884 | |
| George Knight | 1855-11-24 | 1912-10-04 | 56.315 | P | | 0 | | | 1855-11-24 | Lakeville,CT | MLB | 1875-1875 | 1875-1875 | |
| Jimmy Knowles | 1856-09-05 | 1912-02-11 | 55.159 | 3B | 5-9 | 160 | R | | 1856-09-05 | Toronto,ON | MLB | 1884-1892 | 1884-1892 | |
| Leonidas Lee | 1860-12-13 | 1912-06-11 | 51.181 | OF | | 0 | | | 1860-12-13 | St. Louis,MO | MLB | 1877-1877 | 1877-1877 | |
| Harry Lyons | 1866-03-25 | 1912-06-29 | 46.096 | OF | 5-10 | 157 | R | R | 1866-03-25 | Chester,PA | MLB | 1887-1893 | 1887-1893 | |
| Lefty Marr | 1862-09-19 | 1912-01-11 | 49.114 | OF-3B | 5-9 | 180 | L | L | 1862-09-19 | Cincinnati,OH | MLB | 1886-1891 | 1886-1891 | |
| Frank Murphy | 1876-04-06 | 1912-11-04 | 36.212 | OF | | 0 | R | R | 1876-04-06 | Tarrytown,NY | MLB | 1901-1901 | 1901-1901 | |
| Lou Polchow | 1880-03-14 | 1912-08-15 | 32.154 | P | 5-9 | 0 | | | 1880-03-14 | Mankato,MN | MLB | 1902-1902 | 1902-1902 | |
| John Rainey | 1864-07-16 | 1912-11-11 | 48.118 | OF-3B | 5-10 | 165 | L | R | 1864-07-16 | Birmingham,MI | MLB | 1887-1890 | 1887-1890 | |
| Bugs Raymond | 1882-02-24 | 1912-09-07 | 30.196 | P | 5-10 | 180 | R | R | 1882-02-24 | Chicago,IL | MLB | 1904-1911 | 1904-1911 | |
| John Russ | 1858-04-01 | 1912-01-18 | 53.292 | OF-P | | 0 | | | 1858-04-01 | Cannelton,IN | MLB | 1882-1882 | 1882-1882 | |
| Ed Sales | 0000-00-00 | 1912-08-10 | | SS | | 0 | L | R | | Harrisburg,PA | MLB | 1890-1890 | 1890-1890 | |
| John Skopec | 1880-05-08 | 1912-10-20 | 32.165 | P | 5-10 | 190 | R | L | 1880-05-08 | Chicago,IL | MLB | 1901-1903 | 1901-1903 | |
| Charlie Sprague | 1864-10-10 | 1912-12-31 | 48.082 | P | 5-11 | 150 | L | L | 1864-10-10 | Cleveland,OH | MLB | 1887-1890 | 1887-1890 | |
| Ace Stewart | 1869-02-14 | 1912-04-17 | 43.063 | 2B | 5-10 | 176 | R | R | 1869-02-14 | Terre Haute,IN | MLB | 1895-1895 | 1895-1895 | |
| Ed Taylor | 1877-03-23 | 1912-01-31 | 34.314 | P | | 0 | R | L | 1877-03-23 | Palestine,TX | MLB | 1903-1903 | 1903-1903 | |
| Bill Tobin | 1854-10-10 | 1912-10-10 | 58.000 | 1B | | 0 | L | | 1854-10-10 | Hartford,CT | MLB | 1880-1880 | 1880-1880 | |
| Dick Van Zant | 0000-00-00 | 1912-08-06 | | 3B | 5-10 | 175 | | | | Richmond,IN | MLB | 1888-1888 | 1888-1888 | |
| Charlie Waitt | 1853-10-14 | 1912-10-21 | 59.007 | OF | 5-11 | 165 | | R | 1853-10-14 | Hallowell,ME | MLB | 1875-1883 | 1875-1883 | |
| Piggy Ward | 1867-04-16 | 1912-10-24 | 45.191 | OF-2B | 5-9 | 196 | B | R | 1867-04-16 | Chambersburg,PA | MLB | 1883-1894 | 1883-1894 | |
| 41 record(s) |