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 The Golden Eagles finished the 2016–17 season 9–22, 6–12 in C-USA play to finish in 12th place.

They lost in the first round of the C-USA tournament to Rice.