2009–10 UC Santa Barbara Gauchos men's basketball team

2009–10 UC Santa Barbara Gauchos men's basketball
Big West regular season co-champions
Big West tournament champions
NCAA tournament, Round of 64
ConferenceBig West Conference
Record20–10 (12–4 Big West)
Head coach
Assistant coaches
Home arenaThe Thunderdome
2009–10 Big West men's basketball standings
Conf. Overall
Team W   L   PCT W   L   PCT
UC Santa Barbara 12 4   .750 20 10   .667
Pacific 12 4   .750 23 12   .657
Cal State Fullerton 8 8   .500 16 15   .516
Long Beach State 8 8   .500 17 16   .515
UC Davis 8 8   .500 14 18   .438
Cal Poly 7 9   .438 12 19   .387
UC Irvine 6 10   .375 14 18   .438
Cal State Northridge 6 10   .375 11 21   .344
UC Riverside 5 11   .313 12 17   .414
2010 Big West tournament winner
As of March 30, 2010
Rankings from AP Poll

The 2009–10 UC Santa Barbara Gauchos men's basketball team represented the University of California, Santa Barbara during the 2009–10 college basketball season. They were led by head coach Bob Williams in his 12th 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.

They finished the season 20–10, 12–4 in Big West play to win a share of the regular season championship. As the No. 1 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. As a No. 15 seed in the Midwest Region, they lost in the first round to No. 2-seeded and No. 5-ranked Ohio State.