The 2018–19 UAB Blazers basketball team represented the University of Alabama at Birmingham during the 2018–19 NCAA Division I men's basketball season. The Blazers, led by third-year head coach Robert Ehsan, played their home games at the Bartow Arena as members of Conference USA. They finished the season 20-15, 10-8 in C-USA Play to finish in 5th place. They defeated Middle Tennessee and UTSA to advance to the semifinals of the C-USA tournament where they lost to Old Dominion. They received an at-large bid to the College Basketball Invitational where they lost in the first round to Brown.