| Year: | 1991 |
| Team: | Dayton Flyers |
| Sport: | football |
| Conference: | Independent |
| Record: | 13–1 |
| Head Coach: | Mike Kelly |
| Hc Year: | 11th |
| Stadium: | Welcome Stadium |
| Bowl: | NCAA Division III Championship |
| Bowl Result: | L 20–34 vs. Ithaca |
The 1991 Dayton Flyers football team was an American football team that represented the University of Dayton as an independent during the 1991 NCAA Division III football season. Led by 11th-year head coach Mike Kelly, the Flyers compiled an overall record of 13–1, with their only loss coming in the national championship game against Ithaca.