The 2020–21 Rider Broncs men's basketball team represented Rider University in the 2020–21 NCAA Division I men's basketball season.

The Broncs, led by ninth-year head coach Kevin Baggett, played their home games at the Alumni Gymnasium in Lawrenceville, New Jersey as members of the Metro Atlantic Athletic Conference.

11 seed in the MAAC tournament, they defeated No.

6 seed Canisius in the first round before losing in the quarterfinals to No.

Before they could face #6 seeded Niagara in the MAAC tournament quarterfinals, all postseason tournaments were cancelled amid the COVID-19 pandemic.