The 2017–18 South Alabama Jaguars men's basketball team represented the University of South Alabama during the 2017–18 NCAA Division I men's basketball season. The Jaguars were led by fifth-year head coach Matthew Graves and played their home games at the Mitchell Center in Mobile, Alabama as members in the Sun Belt Conference. They finished the season 14–18, 7–11 in Sun Belt play to finish in a tie for ninth place. They lost in the first round of the Sun Belt tournament to Troy. On March 15, South Alabama hired Nicholls State head coach Richie Riley as their new head coach.