The 2001–02 UC Santa Barbara Gauchos men's basketball team represented the University of California, Santa Barbara during the 2001–02 college basketball season.

They were led by head coach Bob Williams in his 4th season at UCSB.

The Gauchos were members of the Big West Conference and played their home games at the UC Santa Barbara Events Center, also known as The Thunderdome.

3 seed in the Big West tournament, they defeated UC Davis and Long Beach State to earn the conference's automatic bid to the NCAA tournament.

14 seed in the West region, they lost in the first round to No.