| Mark Sullivan | |
| Current Title: | Assistant head coach, defensive coordinator |
| Current Team: | Fitchburg State |
| Current Conference: | MASCAC |
| Player Years1: | 1981–1982 |
| Player Team1: | UMass |
| Coach Years1: | 1983–1985 |
| Coach Team1: | St. Bernard's HS (MA) (assistant) |
| Coach Years2: | 1986 |
| Coach Team2: | Marlboro HS (MA) (assistant) |
| Coach Years3: | 1987 |
| Coach Team3: | St. Bernard's HS (MA) (assistant) |
| Coach Years4: | 1988–1992 |
| Coach Team4: | Keefe Technical HS (MA) |
| Coach Years6: | 1993 |
| Coach Team6: | Murdock HS (MA) |
| Coach Years7: | 1994 |
| Coach Team7: | Ayer HS (MA) |
| Coach Years8: | 1995 |
| Coach Team8: | Westfield HS (MA) |
| Coach Years9: | 1996–1997 |
| Coach Team9: | Amesbury HS (MA) |
| Coach Years10: | 1998–1999 |
| Coach Team10: | UMass Lowell (OC/RB) |
| Coach Years11: | 2000–2001 |
| Coach Team11: | Worcester State (LB) |
| Coach Years12: | 2002–2006 |
| Coach Team12: | Framingham State |
| Coach Years13: | 2007–2013 |
| Coach Team13: | Worcester State (DC/DB) |
| Coach Years14: | 2014–2018 |
| Coach Team14: | Nichols (DC/DB) |
| Coach Years15: | 2019–2022 |
| Coach Team15: | Fitchburg State (DC) |
| Coach Years16: | 2022 |
| Coach Team16: | Fitchburg State (interim HC) |
| Coach Years17: | 2023–present |
| Coach Team17: | Fitchburg State (AHC/DC) |
| Overall Record: | 4–46 (college) |
Mark Sullivan is an American college football coach. He is the assistant head coach and defensive coordinator for Fitchburg State University, a position he has held since 2023.[1] Sullivan served as the head football coach at Framingham State University from 2002 to 2006 and as the interim head football coach for Fitchburg State University in 2022.[2]