M
- Maine 1978–present
- Marist 1993–present
- Marshall 1982–1996
- Massachusetts 1978–2011
- McNeese State 1982–present
- Middle Tennessee 1978–1998
- Mississippi Valley State 1980–present
- Missouri State 1982–present
- Monmouth 1994–present
- Montana 1978–present
- Montana State 1978–present
- Morris Brown* 2001–2003
- Morehead State 1978–present
- Morgan State 1986–present
- Murray State 1978–present
Read more about this topic: NCAA Men's Division I Football Championship Subdivision Alignment History