Major Leaguers known to have died during the 1920 calendar year.
| George Adams | 0000-00-00 | 1920-10-11 | | OF-1B | 5-6 | 175 | R | R | | Worcester,MA | MLB | 1879-1879 | 1879-1879 | |
| Ed Barry | 1882-10-02 | 1920-06-19 | 37.261 | P | 6-3 | 185 | R | L | 1882-10-02 | Madison,WI | MLB | 1905-1907 | 1905-1907 | |
| Dick Bayless | 1883-09-06 | 1920-12-16 | 37.101 | OF | 5-9 | 178 | L | R | 1883-09-06 | Joplin,MO | MLB | 1908-1908 | 1908-1908 | |
| Ray Boyd | 1887-02-11 | 1920-02-11 | 33.000 | P | 5-10 | 160 | R | R | 1887-02-11 | Hortonville,IN | MLB | 1910-1911 | 1910-1911 | |
| Charlie Briggs | 0000-00-00 | 1920-03-10 | | OF-2B | 5-7 | 170 | | | | Batavia,IL | MLB | 1884-1884 | 1884-1884 | |
| George Browne | 1876-01-12 | 1920-12-09 | 44.332 | OF | 5-11 | 160 | L | R | 1876-01-12 | Richmond,VA | MLB | 1901-1912 | 1901-1912 | |
| Tom Catterson | 1884-08-25 | 1920-02-05 | 35.164 | OF | 5-10 | 170 | L | L | 1884-08-25 | Warwick,RI | MLB | 1908-1909 | 1908-1909 | |
| Ray Chapman | 1891-01-15 | 1920-08-17 | 29.215 | SS | 5-10 | 170 | R | R | 1891-01-15 | Beaver Dam,KY | MLB | 1912-1920 | 1912-1920 | |
| Ernie Courtney | 1875-01-20 | 1920-02-29 | 45.040 | 3B-1B | 5-8 | 170 | L | R | 1875-01-20 | Des Moines,IA | MLB | 1902-1908 | 1902-1908 | |
| Mark Creegan | 1864-07-31 | 1920-09-29 | 56.060 | OF | 5-7 | 161 | | | 1864-07-31 | San Francisco,CA | MLB | 1884-1884 | 1884-1884 | |
| Doc Curley | 1874-03-12 | 1920-09-23 | 46.195 | 2B | | 0 | R | R | 1874-03-12 | Upton,MA | MLB | 1899-1899 | 1899-1899 | |
| Harvey Cushman | 1877-07-10 | 1920-12-27 | 43.170 | P | | 0 | | | 1877-07-10 | Rockland,ME | MLB | 1902-1902 | 1902-1902 | |
| Buttercup Dickerson | 1858-10-11 | 1920-07-23 | 61.286 | OF | 5-6 | 140 | L | R | 1858-10-11 | Tyaskin,MD | MLB | 1878-1885 | 1878-1885 | |
| Charlie Eden | 1855-01-18 | 1920-09-17 | 65.243 | OF | | 168 | L | L | 1855-01-18 | Lexington,KY | MLB | 1877-1885 | 1877-1885 | |
| Alex Farmer | 1877-05-09 | 1920-03-05 | 42.301 | C | 6-0 | 175 | R | R | 1877-05-09 | New York,NY | MLB | 1908-1908 | 1908-1908 | |
| Frank Fennelly | 1860-02-18 | 1920-08-04 | 60.168 | SS | 5-8 | 168 | R | R | 1860-02-18 | Fall River,MA | MLB | 1884-1890 | 1884-1890 | |
| Martin Flaherty | 1853-09-24 | 1920-06-10 | 66.260 | OF | | 0 | L | L | 1853-09-24 | Worcester,MA | MLB | 1881-1881 | 1881-1881 | |
| Mike Goodfellow | 1866-10-03 | 1920-02-12 | 53.132 | OF | 6-0 | 180 | R | R | 1866-10-03 | Port Jervis,NY | MLB | 1887-1888 | 1887-1888 | |
| Walter Hackett | 1857-08-15 | 1920-10-02 | 63.048 | SS-2B | | 0 | | | 1857-08-15 | Cambridge,MA | MLB | 1884-1885 | 1884-1885 | |
| Bill Hallman | 1867-03-31 | 1920-09-11 | 53.164 | IF | 5-8 | 160 | R | R | 1867-03-31 | Pittsburgh,PA | MLB | 1888-1903 | 1888-1903 | |
| John Hinton | 1876-06-19 | 1920-07-19 | 44.030 | 3B | 6-0 | 200 | R | R | 1876-06-19 | Pittsburgh,PA | MLB | 1901-1901 | 1901-1901 | |
| Elmer Horton | 1869-09-04 | 1920-08-12 | 50.343 | P | 5-9 | 157 | R | R | 1869-09-04 | Hamilton,OH | MLB | 1896-1898 | 1896-1898 | |
| Harry Jordan | 1873-02-14 | 1920-03-01 | 47.016 | P | | 0 | | | 1873-02-14 | Titusville,PA | MLB | 1894-1895 | 1894-1895 | |
| Doc Kennedy | 1853-08-11 | 1920-05-23 | 66.286 | C | 5-9 | 185 | R | R | 1853-08-11 | Brooklyn,NY | MLB | 1879-1883 | 1879-1883 | |
| Doc Landis | 1854-08-16 | 1920-09-17 | 66.032 | P | 5-11 | 172 | R | | 1854-08-16 | Philadelphia,PA | MLB | 1882-1882 | 1882-1882 | |
| Jack Lapp | 1884-09-10 | 1920-02-06 | 35.149 | C | 5-8 | 160 | L | R | 1884-09-10 | Frazer,PA | MLB | 1908-1916 | 1908-1916 | |
| Joe Leonard | 1893-11-14 | 1920-05-01 | 26.169 | 3B | 5-8 | 156 | L | R | 1893-11-14 | West Chicago,IL | MLB | 1914-1919 | 1914-1919 | |
| Toby Lyons | 1869-03-27 | 1920-08-27 | 51.153 | P | | 0 | | | 1869-03-27 | Cambridge,MA | MLB | 1890-1890 | 1890-1890 | |
| Matty McIntyre | 1880-06-12 | 1920-04-02 | 39.295 | OF | 5-11 | 175 | L | L | 1880-06-12 | Stonington,CT | MLB | 1901-1912 | 1901-1912 | |
| George McMillan | 1863-09-01 | 1920-04-18 | 56.230 | OF | 5-8 | 175 | | | 1863-09-01 | | MLB | 1890-1890 | 1890-1890 | |
| Bill McTigue | 1891-06-03 | 1920-05-08 | 28.340 | P | 6-2 | 175 | L | L | 1891-06-03 | Nashville,TN | MLB | 1911-1916 | 1911-1916 | |
| Lou Meyers | 1859-12-09 | 1920-11-30 | 60.357 | C-OF | 5-11 | 165 | R | R | 1859-12-09 | Cincinnati,OH | MLB | 1884-1884 | 1884-1884 | |
| Frank Norton | 1845-06-09 | 1920-08-01 | 75.053 | 3B | | 0 | | | 1845-06-09 | Port Jefferson,NY | MLB | 1871-1871 | 1871-1871 | |
| Bill O'Neill | 1880-01-22 | 1920-07-20 | 40.180 | OF | 5-11 | 175 | B | R | 1880-01-22 | Saint John,NB | MLB | 1904-1906 | 1904-1906 | |
| Jimmy Peoples | 1863-10-08 | 1920-08-29 | 56.326 | C | 5-8 | 200 | | R | 1863-10-08 | Big Beaver,MI | MLB | 1884-1889 | 1884-1889 | |
| Frank Quinn | 1876-08-24 | 1920-02-02 | 43.162 | OF | 5-8 | 157 | | | 1876-08-24 | Sheffield,PA | MLB | 1899-1899 | 1899-1899 | |
| Phil Reardon | 1881-10-03 | 1920-09-28 | 38.361 | OF | 5-9 | 160 | R | R | 1881-10-03 | Brooklyn,NY | MLB | 1906-1906 | 1906-1906 | |
| John Ricks | 1867-09-26 | 1920-08-31 | 52.340 | 3B | | 0 | | | 1867-09-26 | St. Louis,MO | MLB | 1891-1894 | 1891-1894 | |
| John Shoupe | 1851-09-30 | 1920-02-13 | 68.136 | IF | 5-7 | 140 | L | L | 1851-09-30 | | MLB | 1879-1884 | 1879-1884 | |
| Ed Siever | 1877-04-02 | 1920-02-04 | 42.308 | P | 6-0 | 190 | L | L | 1877-04-02 | Goddard,KS | MLB | 1901-1908 | 1901-1908 | |
| Andy Sullivan | 1884-08-30 | 1920-02-14 | 35.168 | SS | | 0 | R | R | 1884-08-30 | Southborough,MA | MLB | 1904-1904 | 1904-1904 | |
| Jerry Turbidy | 1852-07-04 | 1920-09-05 | 68.063 | SS | 5-8 | 165 | R | R | 1852-07-04 | Dudley,MA | MLB | 1884-1884 | 1884-1884 | |
| 42 record(s) |