| Roger Thomas | |
| Birth Date: | 19 August 1947 |
| Birth Place: | Chicago, Illinois, U.S. |
| Player Sport1: | Football |
| Player Years2: | c. 1967 |
| Player Team2: | Augustana (SD) |
| Player Positions: | Running back, quarterback |
| Coach Sport1: | Football |
| Coach Years2: | 1969–1975 |
| Coach Team2: | Augustana (SD) (assistant) |
| Coach Years3: | 1976–1977 |
| Coach Team3: | Sioux Falls |
| Coach Years4: | 1978–1979 |
| Coach Team4: | North Dakota (OC) |
| Coach Years5: | 1980–1982 |
| Coach Team5: | Cal State Fullerton (AHC/OC) |
| Coach Years6: | 1983 |
| Coach Team6: | Minnesota (offensive backfield) |
| Coach Years7: | 1984–1985 |
| Coach Team7: | Toronto Argonauts (offensive backfield / receivers) |
| Coach Years8: | 1986–1998 |
| Coach Team8: | North Dakota |
| Coach Sport9: | Baseball |
| Coach Years10: | 1973 |
| Coach Team10: | Augustana (SD) |
| Admin Years1: | 1999–2005 |
| Admin Team1: | North Dakota |
| Admin Years2: | 2005–2008 |
| Admin Team2: | NCC (commissioner) |
| Admin Years3: | 2008–2017 |
| Admin Team3: | Mary |
| Overall Record: | 91–60–2 (football) 6–18 (baseball) |
| Tournament Record: | Football 4–4 (NCAA D-II playoffs) |
| Championships: | Football NCC (1993–1995) |
Roger Thomas (born August 19, 1947) is a former American college athletics administrator and American football coach. He was the athletic director at the University of Mary from 2008 to 2017. Thomas was previously the head football coach at Sioux Falls College—now known as the University of Sioux Falls—from 1976 to 1977 and at the University of North Dakota from 1986 to 1998. He was also the athletic director at North Dakota from 1999 to 2005. Subsequently, he served as the commissioner of the NCAA Division II's North Central Conference (NCC) from 2005 until the conference's demise in 2008.