The 2020–21 Weber State Wildcats men's basketball team represented Weber State University in the 2020–21 NCAA Division I men's basketball season.

The Wildcats, led by 15th-year head coach Randy Rahe, played their home games at the Dee Events Center in Ogden, Utah, as members of the Big Sky Conference.

In a season limited due to the ongoing COVID-19 pandemic, they finished the season 17–6, 12–3 in Big Sky play to finish a tie for second place.

3 seed in the Big Sky tournament, they lost in the quarterfinals to Montana.

9 seed in the Big Sky tournament, they lost in the first round to Sacramento State.