The 2021 UMass Dartmouth Corsairs football team represented the University of Massachusetts Dartmouth as a member of the Massachusetts State Collegiate Athletic Conference (MASCAC) during the 2021 NCAA Division III football season. The Corsairs, led by 15th-year head coach Mark Robichaud, played their home games at Cressy Field in Dartmouth, Massachusetts.
The Corsairs 2020 season was cancelled due to the COVID-19 pandemic.