| Mode: | Basketball |
| Year: | 2008–09 |
| Team: | St. John's Red Storm |
| Conference: | Big East Conference |
| Short Conf: | Big East |
| Record: | 16–18 |
| Conf Record: | 6–12 |
| Head Coach: | Norm Roberts (5th year) |
| Asst Coach3: | Fred Quartlebaum |
| Bowl: | CBI First Round vs. Richmond |
| Bowl Result: | L 69–75 |
The 2008–09 St. John's Red Storm men's basketball team represented St. John's University during the 2008–09 NCAA Division I men's basketball season. The team was coached by Norm Roberts in his fifth year at the school. St. John's home games are played at Carnesecca Arena and Madison Square Garden and the team is a member of the Big East Conference.
| Name | Number | Pos. | Height | Weight | Year | Hometown | Notes | ||
|---|---|---|---|---|---|---|---|---|---|
| sortname | 4 | 6'1" | 210 | Senior | Graduated | ||||
| sortname | Larry Wright | 5 | 6'2" | 172 | Sophomore | Transferred to Oakland | |||
| sortname | Liam Biesty | 30 | 6'0" | 185 | Senior | Graduated | |||
| sortname | Mike Cavataio | 32 | 6'4" | 190 | Freshman | Transferred to Holy Cross | |||
| sortname | Otoja Abit | 33 | 6'6" | 195 | Senior | Graduated |
|-!colspan=9 style="background:#FF0000; color:#FFFFFF;"| Regular Season|-|-!colspan=9 style="background:#FF0000; color:#FFFFFF;"| Big East tournament|-!colspan=9 style="background:#FF0000; color:#FFFFFF;"| CBI Tournament