The 2023–24 Harvard Crimson men's basketball team represented Harvard University during the 2023–24 NCAA Division I men's basketball season.

The Crimson, led by 16th-year head coach Tommy Amaker, played their home games at the Lavietes Pavilion located in Boston, Massachusetts as members of the Ivy League.

They finished the season with a record of 14–13, 5–9 in Ivy League play, to place fifth.

The Crimson finished the 2022–23 season 14–14, 5–9 in Ivy League play, to place seventh.

[1] They failed to qualify for the Ivy League tournament.