| Roy Gregory | |
| Birth Date: | c. 1946 |
| Birth Place: | Tupelo, Mississippi, U.S. |
| Player Years1: | 1965–1967 |
| Player Team1: | Chattanooga |
| Player Positions: | Middle guard |
| Coach Years1: | 1968–1971 |
| Coach Team1: | Tennessee Military Institute (DC) |
| Coach Years2: | 1972–1976 |
| Coach Team2: | Greeneville HS (TN) |
| Coach Years3: | 1977–1982 |
| Coach Team3: | Chattanooga (OL) |
| Coach Years4: | 1983 |
| Coach Team4: | Memphis State (DL) |
| Coach Years5: | 1984 |
| Coach Team5: | New Mexico (OC) |
| Coach Years6: | 1985–1986 |
| Coach Team6: | Vanderbilt (assistant) |
| Coach Years7: | 1987–1988 |
| Coach Team7: | Mississippi State (assistant) |
| Coach Years8: | 1989–1990 |
| Coach Team8: | South Carolina (LB) |
| Coach Years9: | 1991–1996 |
| Coach Team9: | Austin Peay |
| Overall Record: | 17–49 (college) 24–25–1 (high school) |
Roy Gregory (born c. 1946) is a former American football coach. He served as the head football coach at Austin Peay State University from 1991 to 1996, compiling a record of 17–49. Brewster was born in Tupelo, Mississippi and raised in Fulton, Mississippi, where he was an all-state fullback at Itawamba Agricultural High School. He played college football at the University of Tennessee at Chattanooga from 1965 to 1967 as a middle guard.[1]