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 lost in the first round of the Sun Belt tournament to Texas State.

8 seed in the Sun Belt tournament, they defeated South Alabama before losing to Texas–Arlington in the quarterfinals.

They received an invitation to the College Basketball Invitational where they defeated Hampton, Loyola (MD) and UIC to advance to the best-of-three finals series against Wyoming where they lost 2 games to 1.