2018–19 Pepperdine Waves men's basketball team

The 2018–19 Pepperdine Waves men's basketball team represented Pepperdine University during the 2018–19 NCAA Division I men's basketball season. The Waves were led by head coach Lorenzo Romar, in the first season of his second stint after coaching the Waves from 1996 to 1999. They played their home games at the Firestone Fieldhouse in Malibu, California as members of the West Coast Conference. They finished the season 16–18, 8–10 in WCC play to finish in eighth place. They defeated Pacific, Loyola Marymount, and San Francisco to advance to the semifinals of the WCC tournament were they were defeated by Gonzaga.

Previous season
The Waves finished the 2016–17 season 6–26, 2–16 in WCC play to finish in last place. They defeated Santa Clara in the first round of the WCC tournament before losing in the quarterfinals to Saint Mary's.

On February 13, 2018, the school announced that head coach Marty Wilson would not return as head coach following the end of the season. He finished at Pepperdine with a seven-year record of 88–129 (91–139 when including his 3–10 record as interim head coach in 1995–96). On March 12, the school hired Lorenzo Romar as head coach. Romar returned to Pepperdine where he started his head coaching career in 1996.

Schedule and results
!colspan=9 style=| Non conference regular season

!colspan=9 style=| WCC regular season

!colspan=9 style=| WCC tournament