The 2023–24 UC Santa Barbara Gauchos men's basketball team represented the University of California, Santa Barbara in the 2023–24 NCAA Division I men's basketball season.

The Gauchos, led by sixth-year head coach Joe Pasternack, played their home games at The Thunderdome in Santa Barbara, California as members of the Big West Conference.

[1] They defeated Cal Poly,[2] UC Riverside,[3] and Cal State Fullerton to win the Big West tournament and earned the conference's automatic bid into the NCAA tournament.

[4] In the NCAA tournament, they received the #14 seed in the South Region.

[5] In the first round, they lost to #3 region seed Baylor.