The 2019–20 Coastal Carolina Chanticleers men's basketball team represented Coastal Carolina University in the 2019–20 NCAA Division I men's basketball season. The Chanticleers, led by 13th-year head coach Cliff Ellis, played their home games at the HTC Center in Conway, South Carolina as members of the Sun Belt Conference. They finished the season 16–17, 8–12 in Sun Belt play to finish in a three-way tie for eighth place. They defeated UT Arlington in the first round of the Sun Belt tournament before losing in the second round to Appalachian State.