| Biographical details | |
|---|---|
| Born | December 25, 1956 Lawrence, Kansas, U.S. |
| Playing career | |
| 1976–1978 | Pittsburg State |
| Position(s) | Tight end |
| Coaching career (HC unless noted) | |
| 1980–1981 | Kansas (GA) |
| 1982 | South Dakota (DL) |
| 1983–1985 | South Dakota (ILB) |
| 1986–1989 | South Dakota (DC) |
| 1990–1999 | Southeast Missouri State |
| 2000–2003 | Army (DL) |
| 2003 | Army (interim HC) |
| 2004–2008 | Army (DC) |
| 2009–2014 | Army (DE) |
| 2014–2015 | Louisiana–Monroe (DL) |
| 2015 | Louisiana–Monroe (interim HC) |
| 2016 | Pope John Paul II Catholic HS (AL) |
| 2017–2022 | New Mexico State (DL) |
| Head coaching record | |
| Overall | 41–79 (college) |
| Accomplishments and honors | |
| Awards | |
| OVC Coach of the Year (1994) | |
John David Mumford (born December 25, 1956) is an American football coach and former player. He was most recently the defensive line coach at New Mexico State University. Mumford served as the head football coach at Southeast Missouri State University from 1990 to 1999, as the interim head football coach at the United States Military Academy for seven games in 2003, and as the interim head football coach at the University of Louisiana at Monroe for three games in 2015.