The 2019–20 Pacific Tigers men's basketball team represented the University of the Pacific during the 2019–20 NCAA Division I men's basketball season.

The Tigers were led by fourth-year head coach Damon Stoudamire and played their home games at the Alex G. Spanos Center in Stockton, California as members of the West Coast Conference.

They lost in the third round of the WCC tournament to San Francisco.

The Tigers finished the 2018–19 season 14–18, 4–12 in WCC play to finish in ninth place.

They lost in the first round of the WCC tournament to Pepperdine.