The 2017–18 Southern Miss Golden Eagles men's basketball team represented the University of Southern Mississippi during the 2017–18 NCAA Division I men's basketball season. The Golden Eagles, led by fourth-year head coach Doc Sadler, played their home games at Reed Green Coliseum in Hattiesburg, Mississippi as members of Conference USA. They finished the season 16–18, 7–11 in C-USA play to finish in a tie for ninth place. They defeated FIU and Middle Tennessee before losing to Marshall in the semifinals of the C-USA tournament