| Thomas Sullivan | |
| Birth Date: | 14 September 1892 |
| Birth Place: | Massena, New York, U.S. |
| Death Place: | Massena, New York, U.S. |
| Player Sport1: | Football |
| Player Years2: | 1910–1913 |
| Player Team2: | Colgate |
| Player Positions: | End |
| Coach Sport1: | Football |
| Coach Years2: | c. 1914 |
| Coach Team2: | Colgate (assistant) |
| Coach Years3: | 1915 |
| Coach Team3: | Compton HS (CA) |
| Coach Years4: | 1916 |
| Coach Team4: | George Washington |
| Coach Years5: | 1918 |
| Coach Team5: | Camp Merritt (NJ) |
| Coach Years6: | 1919–1920 |
| Coach Team6: | Bates |
| Coach Years7: | 1921 |
| Coach Team7: | Colgate (ends) |
| Coach Years8: | 1922 |
| Coach Team8: | St. Lawrence (assistant) |
| Coach Years9: | 1924 |
| Coach Team9: | Clarkson (assistant) |
| Coach Years10: | 1925–1937 |
| Coach Team10: | St. Lawrence |
| Coach Sport11: | Baseball |
| Coach Years12: | 1925–1938 |
| Coach Team12: | St. Lawrence |
| Overall Record: | 57–47–9 |
Thomas Talbot Sullivan (September 14, 1892 – November 30, 1958) was an American football player and coach. He served as the head football coach at George Washington University in 1916, Bates College from 1919 to 1920, and St. Lawrence University from 1925 to 1937. Sullivan played college football as an end at Colgate University.[1] He also coached baseball at St. Lawrence.[2] [3] Sullivan returned to his alma mater, Colgate, in 1921 as an assistant football coach under head coach Ellery Huntington Jr.[4] He died on November 30, 1958, at Massena Memorial Hospital in Massena, New York, after suffering a heart attack.[5]