| Year: | 2021 |
| Team: | Wagner Seahawks |
| Sport: | football |
| Conference: | Northeast Conference |
| Short Conf: | NEC |
| Record: | 0–11 |
| Conf Record: | 0–7 |
| Head Coach: | Tom Masella |
| Hc Year: | 2nd |
| Off Coach: | Chris Nugai |
| Oc Year: | 2nd |
| Stadium: | Wagner College Stadium |
The 2021 Wagner Seahawks football team represented Wagner College as a member of the Northeast Conference (NEC) in the 2021 NCAA Division I FCS football season. The Seahawks, led by second-year head coach Tom Masella, played their home games at Wagner College Stadium.