2023–24 UMass Lowell River Hawks men's basketball team

The 2023–24 UMass Lowell River Hawks men's basketball team represented the University of Massachusetts Lowell during the 2023–24 NCAA Division I men's basketball season. They played their home games at the Costello Athletic Center in Lowell, Massachusetts, with two games being played at the Tsongas Center, and were led by 11th-year head coach Pat Duquette.

The River Hawks finished the season with a 22–10, including an 11–5 mark in America East play, to finish in a tie for second place. They defeated UMBC and Bryant, before falling to top-seeded Vermont in the America East tournament championship game.