| Year: | 2021 |
| Team: | Yale Bulldogs |
| Sport: | football |
| Conference: | Ivy League |
| Short Conf: | Ivy |
| Record: | 5–5 |
| Conf Record: | 4–3 |
| Head Coach: | Tony Reno |
| Hc Year: | 9th |
| Off Coach: | Kevin Cahill |
| Oc Year: | 3rd |
| Def Coach: | Sean McGowan |
| Dc Year: | 4th |
| Stadium: | Yale Bowl |
| Prev Year: | 2019 |
The 2021 Yale Bulldogs football team represented Yale University in the 2021 NCAA Division I FCS football season as a member of the Ivy League. The team was led by ninth-year head coach Tony Reno and played its home games at the Yale Bowl. Yale's 63-point win against Brown on November 6 was the Bulldogs' most single-game points under coach Reno. Yale averaged 13,263 fans per game.[1]