The 2018–19 Western Carolina Catamounts men's basketball team represented Western Carolina University during the 2018–19 NCAA Division I men's basketball season. The Catamounts, led by first-year head coach Mark Prosser, played their home games at the Ramsey Center in Cullowhee, North Carolina as members of the Southern Conference. They finished the season 7-25, 4-14 in Southern Conference play to finish in a three-way tie for eighth place. In the Southern Conference tournament, they were defeated by VMI in the first round.