The 2018–19 San Diego Toreros men's basketball team represented the University of San Diego during the 2018–19 NCAA Division I men's basketball season. The Toreros were led by first-year head coach Sam Scholl. They played their home games at Jenny Craig Pavilion in San Diego, California as members of the West Coast Conference. They finished the season 21-15, 7-9 to finish in 7th place. As the No. 7 seed in the WCC Tournament, they defeated Portland, Santa Clara and BYU to advance to the semifinals where they lost to Saint Mary’s. They received an at-large bid to the NIT where they lost in the first round to Memphis.