The 2018–19 South Florida Bulls men's basketball team represented the University of South Florida during the 2018–19 NCAA Division I men's basketball season.

The Bulls played home games at Yuengling Center on the university's Tampa, Florida campus.

They were invited to the College Basketball Invitational where they defeated Stony Brook, Utah Valley, and Loyola Marymount to advance to the best-of-three finals vs DePaul.

They defeated DePaul 2 games to 1 to become CBI champions.

12 seed in the AAC tournament, they lost in the first round to Memphis.