The 2021 UC Davis football team represented the University of California, Davis as a member of the Big Sky Conference during the 2021 NCAA Division I FCS football season.

The season Led by fifth-year head coach Dan Hawkins, the Aggies compiled an overall record of 8–4 with a mark of 5–3 in conference play, tying for third place in the Big Sky.

UC Davis received an at-large bid to the NCAA Division I Football Championship playoff, where they lost to South Dakota State in the first round.

[1] The Aggies had three players selected to the preseason all-Big Sky team.

[2] Offense Connor Pettek – C Defense Bryce Rodgers – DT