The 2017–18 Coastal Carolina Chanticleers men's basketball team represented Coastal Carolina University during the 2017–18 NCAA Division I men's basketball season. The Chanticleers, led by 11th-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 14–18, 8–10 in Sun Belt play to finish in eighth place. They lost in the first round of the Sun Belt tournament to Texas State.