The 2021 Monmouth Hawks football team represented the Monmouth University during the 2021 NCAA Division I FCS football season.

The Hawks played their home games at the Kessler Stadium in West Long Branch, New Jersey.

This was Monmouth's final season as a member of the Big South Conference.

[1] The Hawks will be joining the Colonial Athletic Association (CAA) for all sports starting in 2022–23.

[2] The 2021 schedule consisted of 5 home and 6 away games in the regular season.