Major Leaguers known to have died during the 1925 calendar year.
| Dave Beadle | 0000-00-00 | 1925-09-22 | | OF | 6-2 | 200 | L | | | New York,NY | MLB | 1884-1884 | 1884-1884 | |
| Ed Beatin | 1866-08-10 | 1925-05-09 | 58.272 | P | 5-9 | 162 | R | L | 1866-08-10 | Baltimore,MD | MLB | 1887-1891 | 1887-1891 | |
| George Bignell | 1858-07-18 | 1925-01-16 | 66.182 | C | 5-9 | 160 | | | 1858-07-18 | Taunton,MA | MLB | 1884-1884 | 1884-1884 | |
| Cy Bowen | 1871-02-17 | 1925-01-25 | 53.343 | P | 6-0 | 175 | R | R | 1871-02-17 | Kingston,IN | MLB | 1896-1896 | 1896-1896 | |
| Tod Brynan | 1863-07-30 | 1925-05-10 | 61.284 | P | 5-10 | 156 | R | R | 1863-07-30 | Philadelphia,PA | MLB | 1888-1891 | 1888-1891 | |
| John Carney | 1866-11-10 | 1925-10-19 | 58.343 | 1B | 5-10 | 175 | R | R | 1866-11-10 | Salem,MA | MLB | 1889-1891 | 1889-1891 | |
| Roy Clark | 1874-05-11 | 1925-11-01 | 51.174 | OF | 5-8 | 170 | L | R | 1874-05-11 | New Haven,CT | MLB | 1902-1902 | 1902-1902 | |
| Walter Coleman | 1873-06-13 | 1925-11-20 | 52.160 | P | 5-10 | 174 | | L | 1873-06-13 | Lees Summit,MO | MLB | 1895-1895 | 1895-1895 | |
| Fred Crane | 1840-11-04 | 1925-04-27 | 84.174 | 1B | 5-9 | 135 | | | 1840-11-04 | Saybrook,CT | MLB | 1873-1875 | 1873-1875 | |
| Sam Crane | 1854-01-02 | 1925-06-06 | 71.155 | 2B | 6-0 | 190 | R | R | 1854-01-02 | Springfield,MA | MLB | 1880-1890 | 1880-1890 | |
| Harry Deane | 1846-05-06 | 1925-05-31 | 79.025 | OF | 5-7 | 150 | | | 1846-05-06 | Trenton,NJ | MLB | 1871-1874 | 1871-1874 | |
| George Derby | 1857-07-06 | 1925-07-04 | 67.363 | P | 6-0 | 175 | L | R | 1857-07-06 | Webster,MA | MLB | 1881-1883 | 1881-1883 | |
| Charlie Dougherty | 1862-02-07 | 1925-02-18 | 63.011 | 2B | | 0 | | | 1862-02-07 | Darlington,WI | MLB | 1884-1884 | 1884-1884 | |
| Pat Duff | 1875-05-06 | 1925-09-11 | 50.128 | H | | 0 | | R | 1875-05-06 | Providence,RI | MLB | 1906-1906 | 1906-1906 | |
| Harry Ely | 0000-00-00 | 1925-05-10 | | P | | 0 | | | | | MLB | 1892-1892 | 1892-1892 | |
| Tom Evers | 1852-03-31 | 1925-03-21 | 72.355 | 2B | 5-9 | 135 | | L | 1852-03-31 | Troy,NY | MLB | 1882-1884 | 1882-1884 | |
| Duke Farrell | 1866-08-31 | 1925-02-15 | 58.168 | C | 6-1 | 208 | B | R | 1866-08-31 | Oakdale,MA | MLB | 1888-1905 | 1888-1905 | |
| Sam Frock | 1882-12-23 | 1925-11-03 | 42.315 | P | 6-0 | 168 | R | R | 1882-12-23 | Baltimore,MD | MLB | 1907-1911 | 1907-1911 | |
| Marv Goodwin | 1891-01-16 | 1925-10-21 | 34.278 | P | 5-11 | 168 | R | R | 1891-01-16 | Gordonsville,VA | MLB | 1916-1925 | 1916-1925 | |
| Ad Gumbert | 1867-10-10 | 1925-04-23 | 57.195 | P | 5-10 | 200 | R | R | 1867-10-10 | Pittsburgh,PA | MLB | 1888-1896 | 1888-1896 | |
| Emil Huhn | 1892-03-10 | 1925-09-05 | 33.179 | C-1B | 6-0 | 180 | R | R | 1892-03-10 | North Vernon,IN | MLB | 1916-1917 | 1916-1917 | |
| Charlie Irwin | 1869-02-15 | 1925-09-21 | 56.218 | 3B | 5-10 | 160 | L | R | 1869-02-15 | Clinton,IL | MLB | 1893-1902 | 1893-1902 | |
| Caleb Johnson | 1844-05-23 | 1925-03-07 | 80.288 | 2B-OF | | 0 | | | 1844-05-23 | Fulton,IL | MLB | 1871-1871 | 1871-1871 | |
| Sam Kimber | 1852-10-29 | 1925-11-06 | 73.008 | P | 5-10 | 165 | R | R | 1852-10-29 | Philadelphia,PA | MLB | 1884-1885 | 1884-1885 | |
| Harry Kirsch | 1887-10-17 | 1925-12-25 | 38.069 | P | 5-11 | 170 | R | R | 1887-10-17 | Pittsburgh,PA | MLB | 1910-1910 | 1910-1910 | |
| Henry Lynch | 1866-04-08 | 1925-11-23 | 59.229 | OF | 5-7 | 143 | | | 1866-04-08 | Worcester,MA | MLB | 1893-1893 | 1893-1893 | |
| John Mansell | 0000-00-00 | 1925-02-20 | | OF | 5-10 | 168 | L | | | Auburn,NY | MLB | 1882-1882 | 1882-1882 | |
| Christy Mathewson | 1880-08-12 | 1925-10-07 | 45.056 | P | 6-2 | 195 | R | R | 1880-08-12 | Factoryville,PA | MLB | 1900-1916 | 1900-1916 | |
| Hervey McClellan | 1894-12-22 | 1925-11-06 | 30.319 | SS-3B | 5-10 | 143 | R | R | 1894-12-22 | Cynthiana,KY | MLB | 1919-1924 | 1919-1924 | |
| James Mullen | 1877-01-09 | 1925-01-24 | 48.015 | 2B-1B | 5-10 | 173 | R | R | 1877-01-09 | Avoca,PA | MLB | 1904-1905 | 1904-1905 | |
| Jay Pike | 0000-00-00 | 1925-02-10 | | OF | | 0 | | | | New York,NY | MLB | 1877-1877 | 1877-1877 | |
| Harry Raymond | 1862-02-20 | 1925-03-21 | 63.029 | 3B | | 0 | | | 1862-02-20 | Sauquoit,NY | MLB | 1888-1892 | 1888-1892 | |
| Billy Serad | 0000-00-00 | 1925-11-01 | | P | 5-7 | 156 | R | R | | Philadelphia,PA | MLB | 1884-1888 | 1884-1888 | |
| Hank Simon | 1862-08-25 | 1925-01-01 | 62.129 | OF | 5-6 | 155 | R | R | 1862-08-25 | Hawkinsville,NY | MLB | 1887-1890 | 1887-1890 | |
| Asa Stratton | 1853-02-10 | 1925-08-14 | 72.185 | SS | | 0 | | | 1853-02-10 | Grafton,MA | MLB | 1881-1881 | 1881-1881 | |
| Denny Sullivan | 1858-06-26 | 1925-12-31 | 67.188 | 3B | 5-9 | 170 | | R | 1858-06-26 | Boston,MA | MLB | 1879-1880 | 1879-1880 | |
| Suter Sullivan | 1872-10-14 | 1925-04-19 | 52.187 | 3B | 6-0 | 170 | | | 1872-10-14 | Baltimore,MD | MLB | 1898-1899 | 1898-1899 | |
| Frank Thompson | 0000-00-00 | 1925-10-30 | | OF | | 0 | | | | | MLB | 1875-1875 | 1875-1875 | |
| Sam Trott | 0000-00-00 | 1925-06-05 | | C | 5-9 | 190 | L | L | | | MLB | 1880-1888 | 1880-1888 | |
| John Ward | 1860-03-03 | 1925-03-04 | 65.001 | SS-2B | 5-9 | 165 | L | R | 1860-03-03 | Bellefonte,PA | MLB | 1878-1894 | 1878-1894 | |
| Gurdon Whiteley | 1859-10-05 | 1925-11-23 | 66.049 | OF | 5-11 | 190 | | | 1859-10-05 | Hopkinton,RI | MLB | 1884-1885 | 1884-1885 | |
| Willy Wilson | 1884-01-07 | 1925-10-28 | 41.294 | P | | 0 | R | R | 1884-01-07 | Columbus,OH | MLB | 1906-1906 | 1906-1906 | |
| 42 record(s) |