The 2018–19 Pacific Tigers men's basketball team represented the University of the Pacific during the 2018–19 NCAA Division I men's basketball season.

The Tigers were led by third-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 first round of the WCC tournament to Pepperdine.

The Tigers finished the 2017–18 season 14–18, 9–9 in WCC play to finish in a three-way tie for fourth place.

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