The 2018–19 Western Kentucky Hilltoppers men's basketball team represented Western Kentucky University during the 2018–19 NCAA Division I men's basketball season.

The Hilltoppers, led by third-year head coach Rick Stansbury, played their home games at E. A. Diddle Arena in Bowling Green, Kentucky as fifth-year members of Conference USA (C-USA).

The team finished the season tied for second place in the conference and were defeated in the championship game of the conference tournament.

They defeated UAB[2] and Old Dominion[3] to advance to the championship game of the C-USA tournament where they lost to Marshall.

[4] They received an at-large bid to the National Invitation Tournament where they defeated Boston College,[5] USC[6] and Oklahoma State[7] to advance to the semifinals where they lost to Utah.