Tom Grebis
| Biographical details | |
|---|---|
| Born | December 21, 1930 Windber, Pennsylvania, US  | 
| Died | January 24, 2005 (aged 74) Oreland, Pennsylvania, US  | 
| Playing career | |
| 1950–1953 | Drexel | 
| Position(s) | Halfback | 
| Coaching career (HC unless noted) | |
| 1957–1960 | Drexel (assistant) | 
| 1961–1968 | Drexel | 
| Head coaching record | |
| Overall | 39–24–2 | 
| Accomplishments and honors | |
| Championships | |
| 1 MAC Southern College Division (1962) | |
Thomas J. Grebis (December 21, 1930 – January 24, 2005) was an American college football player and coach.
He served as the head football coach at Drexel University from 1961 to 1968, compiling a record of 39–24–2. Grebis played football at Drexel as a halfback and was co-captain of the 1953 Drexel Dragons football team. Grebis was a member of Drexel's faculty and taught chemistry. He was an assistant football coach at Drexel for four season before succeeding Jack Hinkle at head coach in 1961.