The 2021–22 Delaware Fightin' Blue Hens men's basketball team represented the University of Delaware in the 2021–22 NCAA Division I men's basketball season.

The Fightin' Blue Hens, led by sixth-year head coach Martin Ingelsby, played their home games at the Bob Carpenter Center in Newark, Delaware as members of the Colonial Athletic Association.

5 seed, they defeated Drexel, Towson, and UNC Wilmington to win the CAA tournament.

They received the conference’s automatic bid to the NCAA tournament as the No.

15 seed in the South Region, where they lost in the first round to Villanova.