The 2018–19 UIC Flames men's basketball team represented the University of Illinois at Chicago in the 2018–19 NCAA Division I men's basketball season. The Flames, led by fourth-year head coach Steve McClain, played their home games at Credit Union 1 Arena as members of the Horizon League. They finished the season 16–16, 10–8 in Horizon League play to finish in a tie for fourth place. They lost in the quarterfinals of the Horizon League tournament to Green Bay.