| Mode: | Basketball |
| Year: | 2002 - 03 |
| Team: | St. John's Red Storm |
| Conference: | Big East Conference (1979–2013) |
| Short Conf: | Big East |
| Record: | 1 - 13 (20 wins vacated) |
| Conf Record: | 7 - 9 |
| Head Coach: | Mike Jarvis (5th year) |
| Asst Coach2: | Mike Jarvis II |
| Asst Coach3: | Dermon Player |
| Champion: | NIT Champions (vacated) |
The 2002 - 03 St. John's Red Storm men's basketball team represented St. John's University during the 2002–03 NCAA Division I men's basketball season. The team was coached by Mike Jarvis in his fifth year. St. John's home games are played at Carnesecca Arena, then called Alumni Hall, and Madison Square Garden and the team is a member of the Big East Conference.
| Name | Number | Pos. | Height | Year | Hometown | Notes | ||
|---|---|---|---|---|---|---|---|---|
| sortname | Sharif Fordham | 3 | 6'4" | Senior | Graduated | |||
| sortname | 15 | 6'6" | Junior | Entered 2002 NBA draft/undrafted | ||||
| sortname | Donald Emanuel | 33 | 6'9" | Senior | Graduated |
|-!colspan=9 style="background:#FF0000; color:#FFFFFF;"| Exhibition|-!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;"| NIT Tournament