| Year: | 2021 |
| Team: | New Hampshire Wildcats |
| Sport: | football |
| Conference: | Colonial Athletic Association |
| Short Conf: | CAA |
| Record: | 3–8 |
| Conf Record: | 2–6 |
| Head Coach: | Sean McDonnell |
| Hc Year: | 22nd |
| Cooff Coach1: | Michael Ferzoco |
| Cooc1 Year: | 3rd |
| Cooff Coach2: | Brian Scott |
| Cooc2 Year: | 1st |
| Def Coach: | John Lyons |
| Dc Year: | 11th |
| Stadium: | Wildcat Stadium |
The 2021 New Hampshire Wildcats football team represented the University of New Hampshire as a member of the Colonial Athletic Association (CAA) in the 2021 NCAA Division I FCS football season. The Wildcats, led by 22nd-year head coach Sean McDonnell, played their home games at Wildcat Stadium.