The 2018–19 Coastal Carolina Chanticleers men's basketball team represented Coastal Carolina University during the 2018–19 NCAA Division I men's basketball season.

The Chanticleers, led by 12th-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 17-17, 9–9 in Sun Belt Play to tor for 6th place.

They received an at-large bid to the College Basketball Invitational where they defeated Howard and West Virginia to advance to the semifinals where they lost to DePaul.

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