The 2020–21 St. Francis Brooklyn Terriers men's basketball team represented St. Francis College during the 2020–21 NCAA Division I men's basketball season.

The team's head coach was Glenn Braica, who is in his 11th season as the head men's basketball coach.

The Terriers play their home games at the Generoso Pope Athletic Complex in Brooklyn Heights, New York as members of the Northeast Conference.

The Terriers finished the 2019–20 season 13–18, 7–11 in NEC play to finish in a three-way tie for seventh place.

They lost in the quarterfinals of the NEC tournament to Robert Morris.