The 2016–17 Louisiana Ragin' Cajuns men's basketball team represented the University of Louisiana at Lafayette during the 2016–17 NCAA Division I men's basketball season.

The Ragin' Cajuns were led by seventh-year head coach Bob Marlin and played their home games at the Cajundome, with four home games at Blackham Coliseum, as members in the Sun Belt Conference.

They defeated Little Rock before losing to Georgia State in the quarterfinals of the Sun Belt tournament.

They beat South Alabama in the quarterfinals of the Sun Belt tournament before losing to Little Rock in the semifinals.

They were invited to the CollegeInsider.com Tournament where they defeated Texas A&M–Corpus Christi and Furman before losing in the quarterfinals to UC Irvine.