The 2018–19 Coastal Carolina Chanticleers men's basketball team represents Coastal Carolina University during the 2018–19 NCAA Division I men's basketball season. The Chanticleers, led by 12th-year head coach Cliff Ellis, play 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 lost in the second round of the Sun Belt tournament to Louisiana-Monroe. 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.