The 2019–20 Western Carolina Catamounts men's basketball team represented Western Carolina University in the 2019–20 NCAA Division I men's basketball season. The Catamounts, led by second-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 19–12, 10–8 in Southern Conference play to finish in a tie for fifth place. They defeated Mercer in the quarterfinals of the Southern Conference tournament before losing in the semifinals to East Tennessee State.