The 2018–19 Manhattan Jaspers basketball team represented Manhattan College during the 2018–19 NCAA Division I men's basketball season.

The Jaspers, who were led by eighth-year head coach Steve Masiello, played their home games at Draddy Gymnasium in Riverdale, New York as members of the Metro Atlantic Athletic Conference.

7 seed in the 2019 MAAC tournament, they defeated No.

10 seed Fairfield in the first round 57–53 before falling to No.

They lost in the quarterfinals of the MAAC tournament to Iona.