The 2019–20 Mount St. Mary's Mountaineers men's basketball team represented Mount St. Mary's University during the 2019–20 NCAA Division I men's basketball season.

The Mountaineers were led by second-year head coach Dan Engelstad, and played their home games at Knott Arena in Emmitsburg, Maryland as members of the Northeast Conference (NEC).

They lost in the quarterfinals of the NEC tournament to Sacred Heart.

They failed to qualify for the NEC tournament.

Roster Last update: October 9, 2024 Source:[2]