| Terry Allen | |
| Birth Date: | 27 June 1957 |
| Player Years1: | 1975–1978 |
| Player Team1: | Northern Iowa |
| Player Positions: | Quarterback |
| Coach Years1: | 1979 |
| Coach Team1: | Northern Iowa (GA) |
| Coach Years2: | 1980–1988 |
| Coach Team2: | Northern Iowa (assistant) |
| Coach Years3: | 1989–1996 |
| Coach Team3: | Northern Iowa |
| Coach Years4: | 1997–2001 |
| Coach Team4: | Kansas |
| Coach Years5: | 2002–2005 |
| Coach Team5: | Iowa State (Assoc. HC/TE/ST) |
| Coach Years6: | 2006–2014 |
| Coach Team6: | Missouri State |
| Overall Record: | 133–125 |
| Tournament Record: | 6–7 (NCAA D-I-AA playoffs) |
| Championships: | 7 Gateway (1990–1996) |
Terry Allen (born June 27, 1957) is an American former college football player and coach. He last coached at Missouri State. He was the head coach at the University of Kansas from 1997 to 2001, where he compiled a 20–33 record.[1] He also served as the head coach of the University of Northern Iowa, where his 75–26 record made him the winningest coach in Gateway Conference history. His teams won or shared the Gateway title from 1990 through 1996, during which time he was named the Gateway Coach of the Year five of those seasons.[1] Allen coached future NFL players Kurt Warner, Bryce Paup, James Jones, Kenny Shedd, and Dedric Ward while at the University of Northern Iowa.[1] While head coach of the University of Kansas, Allen was accused of sheltering football players who had been accused of sexual assault.[2] Allen retired from coaching following the last game of the 2014 football season, stating he was "done being a head coach."[3]