| Sex: | none |
| Mode: | Basketball |
| Year: | 2002-03 |
| Prev Year: | 2001-02 |
| Next Year: | 2003-04 |
| Team: | LSU Tigers |
| Conference: | Southeastern Conference |
| Division: | West |
| Short Conf: | SEC |
| Record: | 21 - 11 |
| Conf Record: | 8 - 8 |
| Hc Year: | 6th |
| Asst Coach1: | Nikita Johnson |
| Asst Coach3: | John Treloar |
| Tourney Result: | First Round |
The 2002–03 LSU Tigers basketball team represented Louisiana State University in the Southeastern Conference (SEC) during the 2002–03 NCAA Division I men's basketball season. The team was coached by John Brady and played their home games at Pete Maravich Assembly Center in Baton Rouge, Louisiana.
|-!colspan=9 style=| Regular season
|-!colspan=9 style=| SEC Tournament|-!colspan=9 style=| NCAA Tournament[1]
See main article: 2002–03 NCAA Division I men's basketball rankings.