The 2015–16 Western Kentucky Hilltoppers men's basketball team represented Western Kentucky University during the 2015–16 NCAA Division I men's basketball season. The Hilltoppers were led by head coach Ray Harper in his fourth season. They played their home games at E. A. Diddle Arena and were second year members of Conference USA. They finished the season 18–16, 8–10 in C-USA play to finish in eighth place. They defeated North Texas and UAB to advance to the semifinals of the C-USA tournament where they lost to Old Dominion. Despite having 18 wins and a better they .500 record, they did not participate in a postseason tournament.