The 2020–21 Seton Hall Pirates men's basketball team represented Seton Hall University in the 2020–21 NCAA Division I men's basketball season. They were led by eleventh-year head coach Kevin Willard. The Pirates played their home games at the Prudential Center in Newark, New Jersey and Walsh Gymnasium in South Orange, New Jersey as members of the Big East Conference. In a season limited due to the ongoing COVID-19 pandemic, they finished the season 14–13, 10–9 in Big East play to finish in a tie for fourth place. As the No. 5 seed in the Big East tournament, they defeated St. John's in the quarterfinals before losing to Georgetown in the semifinals.