The 2019–20 Marist Red Foxes men's basketball team represented Marist College in the 2019–20 NCAA Division I men's basketball season.
The Red Foxes, led by second-year head coach John Dunne, played their home games at the McCann Arena in Poughkeepsie, New York as members of the Metro Atlantic Athletic Conference.
They lost in the first round of the MAAC tournament to Niagara 54–56.
The Marist Red Foxes finished the 2018–19 season 12–19 overall, 7–11 in MAAC play to finish in eighth place.
9 seed Saint Peter's in the first round 68–71 in overtime.