The 2019–20 Harvard Crimson men's basketball team represented Harvard University in the 2019–20 NCAA Division I men's basketball season.

The Crimson, led by 13th-year head coach Tommy Amaker, played their home games at the Lavietes Pavilion in Boston, Massachusetts as members of the Ivy League.

[1] The Crimson finished the 2018–19 season 19–12 overall, 10–4 in Ivy League play, finishing as co-regular-season champions, alongside Yale.

[2] In the Ivy League tournament, they defeated Penn in the semifinals,[3] before losing to Yale in the championship game.

[4] As a regular-season league champion who failed to win their league tournament, they received an automatic bid to the NIT, where they defeated Georgetown in the first round,[5] before falling to NC State in the second round.