| Mode: | Basketball |
| Year: | 2008–09 |
| Team: | Gonzaga Bulldogs |
| Conference: | West Coast Conference |
| Short Conf: | WCC |
| Coachrank: | 13 |
| Aprank: | 10 |
| Record: | 28–6 |
| Conf Record: | 14–0 |
| Head Coach: | Mark Few |
| Hc Year: | 10th |
| Asst Coach1: | Leon Rice |
| Ac1 Year: | 10th |
| Asst Coach2: | Tommy Lloyd |
| Ac2 Year: | 8th |
| Asst Coach3: | Ray Giacoletti |
| Ac3 Year: | 2nd |
| Stadium: | McCarthey Athletic Center |
| Champion: | WCC tournament champions WCC regular season champions |
| Bowl: | NCAA tournament |
| Bowl Result: | Sweet Sixteen |
The 2008–09 Gonzaga Bulldogs men's basketball team represented Gonzaga University in the 2008-09 NCAA Division I men's basketball season. The Bulldogs are members of the West Coast Conference, were led by head coach Mark Few, and played their home games at the McCarthey Athletic Center on the Gonzaga campus in Spokane, Washington. The Zags finished the season 28 - 6, 14 - 0 in WCC play to claim the regular-season championship. They advanced to the championship game of the 2009 West Coast Conference men's basketball tournament where they won the championship game against Saint Mary's. They received an invitation to the 2009 NCAA Division I men's basketball tournament, earning 4 seed in the South Region. They defeated 13 seed Akron and 12 seed Western Kentucky before losing to the 1 seed and eventual champions North Carolina in the sweet sixteen.
| Name | Number | Pos. | Height | Weight | Year | Hometown | Reason for Departure | |
|---|---|---|---|---|---|---|---|---|
| 31 | 241 | Graduated | ||||||
| 25 | 223 | Graduated | ||||||
| 20 | 199 | Transferred to UC Riverside | ||||||
| 34 | 198 | Transferred to Binghamton |
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