The 2023–24 Colorado State Rams men's basketball team represented Colorado State University during the 2023–24 NCAA Division I men's basketball season.

The Rams were led by 6th-year head coach Niko Medved and played their home games for the 58th season at Moby Arena in Fort Collins, Colorado.

They participated as members of the Mountain West Conference for the 25th season.

The Rams finished the 2022–23 season 15–18, 6–12 in Mountain West play to finish in a tied for 8th place.

They defeated Fresno State in the first round of the Mountain West Tournament before losing to San Diego State in the quarterfinals.