| Mode: | Basketball |
| Year: | 2009–10 |
| Prev Year: | 2008–09 |
| Next Year: | 2010–11 |
| Team: | UC Santa Barbara Gauchos |
| Conference: | Big West Conference |
| Short Conf: | Big West |
| Record: | 20–10 |
| Conf Record: | 12–4 |
| Head Coach: | Bob Williams |
| Asst Coach1: | Brad Holland |
| Asst Coach2: | Matt Stock |
| Asst Coach3: | Jonathan Metzger-Jones |
| Stadium: | The Thunderdome |
| Champion: | Big West regular season co-champions Big West tournament champions |
| Bowl: | NCAA tournament |
| Bowl Result: | Round of 64 |
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.
The Gauchos finished the 2008–09 season 16–15, 8–8 in Big West play to finish in a tie for fourth place. As the No. 4 seed in the Big West tournament, they beat Cal State Fullerton before losing to top-seeded Cal State Northridge.
Source[1]
| Name | Height | Weight (lbs.) | Position | Class | Hometown | Previous Team(s) | ||
|---|---|---|---|---|---|---|---|---|
| 0 | Jaimé Serna | 6'7" | 235 | F | So. | Laguna Beach, CA | Santa Margarita HS | |
| 1 | Chris Brew | 6'3" | 180 | G | Fr. | Oakland, CA | St. Mary's HS | |
| 3 | Jordan Weiner | 6'0" | 173 | G | Jr. | Encino, CA | Birmingham HS | |
| 4 | Paul Roemer | 6'1" | 180 | G | Sr. | Martinez, CA | De La Salle HS | |
| 11 | Justin Joyner | 6'0" | 177 | G | Jr. | Antioch, CA | De La Salle HS | |
| 14 | Brad Lewis | 6'2" | 170 | G | Fr. | Simi Valley, CA | Simi Valley HS | |
| 15 | Sam Phippen | 6'9" | 193 | F | Jr. | Durango, CO | Durango HS | |
| 20 | Will Brew | 6'3" | 175 | G | So. | Oakland, CA | St. Mary's HS | |
| 21 | James Nunnally | 6'5" | 205 | F | So. | San Jose, CA | Weston Ranch HS | |
| 24 | Christian Peterson | 6'3" | 219 | G | Jr. | Carlsbad, CA | Carlsbad HS | |
| 25 | Lucas Devenny | 6'9" | 240 | F | Fr. | Santa Rosa, CA | Piner HS | |
| 32 | Jon Pastorek | 6'10" | 210 | F | Jr. | Anaheim, CA | Canyon HS San Diego State | |
| 33 | Orlando Johnson | 6'5" | 205 | G | So. | Seaside, CA | Palma HS Loyola Marymount | |
| 41 | Seth Kamphoefner | 6'9" | 210 | F | So. | Terra Linda, CA | Terra Linda HS | |
| 42 | James Powell | 6'2" | 185 | G | Sr. | Glendora, CA | Glendora HS | |
| 55 | Greg Somogyi | 7'3" | 242 | C | So. | Budapest, Hungary | Woodside Priory School |
|-!colspan=9 style=|Exhibition|-!colspan=9 style=| Regular season|-!colspan=9 style=|Big West tournament|-!colspan=9 style=|NCAA tournament