The 2017–18 Western Carolina Catamounts men's basketball team represented Western Carolina University during the 2017–18 NCAA Division I men's basketball season. The Catamounts, led by 13th-year head coach Larry Hunter, played their home games at the Ramsey Center in Cullowhee, North Carolina as members of the Southern Conference. They finished the season 13–19, 8–10 in Southern Conference play to finish in sixth place. They lost in the quarterfinals of the Southern Conference tournament to Furman.