2023–24 Louisiana Ragin' Cajuns men's basketball team

The 2023–24 Louisiana Ragin' Cajuns men's basketball team represented the University of Louisiana at Lafayette during the 2023–24 NCAA Division I men's basketball season. The Ragin' Cajuns, led by 14th-year head coach Bob Marlin, played their home games at the Cajundome as members of the Sun Belt Conference. They finished the season 19–14, 10–8 in Sun Belt play to finish in fifth place. As the No. 5 seed in the Sun Belt tournament, they defeated Coastal Carolina in the second round, before losing to Arkansas State in the quarterfinals.

Previous season
The Ragin' Cajuns finished the 2021–22 season 26–8, 13–5 in Sun Belt play to finish in a tie for second place. As the No. 2 seed in the Sun Belt tournament, they defeated Georgia Southern, Texas State, and South Alabama to win the tournament championship. As a result, they received the conference's automatic bid to the NCAA tournament as the No. 13 seed in the East region. Then they lost to Tennessee in the first round.

Preseason Sun Belt Conference poll
The Ragin' Cajuns were picked to finish in fifth place in the conference's preseason poll. Redshirt junior Themus Fulks was named to the preseason All-SBC First Team.

Schedule and results
!colspan=12 style=| Exhibition

!colspan=12 style=| Non-conference regular season

!colspan=12 style=| Sun Belt Conference regular season

!colspan=9 style=| Sun Belt tournament

Source