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 head coach Rick Stansbury in his third season, played their home games at E. A. Diddle Arena in Bowling Green, Kentucky as fifth-year members of Conference USA. The team finished the season tied for 2nd place in the conference and were defeated in the championship game of the conference tournament.