2023–24 SMU Mustangs men's basketball team

The 2023–24 SMU Mustangs men's basketball team represented Southern Methodist University during the 2023–24 NCAA Division I men's basketball season. The Mustangs were led by second-year head coach Rob Lanier and played their home games at Moody Coliseum on their campus in University Park, Texas as members of the American Athletic Conference (The American). They finished the season 20–13, 11–7 in AAC play to finish in a tie for fifth place. As the No. 6 seed in the AAC tournament, they lost to Temple in the second round.

On March 21, 2024, the school fired head coach Rob Lanier after two seasons. On April 1, the school named USC head coach Andy Enfield the team's new head coach.

The season was SMU's final season in the AAC, as the university joined the Atlantic Coast Conference in July 2024.

Previous season
The Mustangs finished the 2022–23 season 10–21, 5–13 in AAC play to finish in tenth place. They were defeated by UCF in the first round of the AAC tournament.

2023 Recruiting class
There were no incoming recruits for the class of 2023.

Schedule and results
!colspan=12 style=| Non-conference regular season

!colspan=12 style=| AAC regular season

!colspan=12 style=| AAC tournament

!colspan=12 style="| NIT

Source