| Year: | 2002–03 |
| Team: | Purdue Boilermakers |
| Sport: | Basketball |
| Conference: | Big Ten Conference |
| Short Conf: | Big Ten |
| Record: | 19–11 |
| Conf Record: | 10–6 |
| Hc Year: | 23rd |
| Asst Coach1: | Todd Foster |
| Asst Coach2: | Jay Price |
| Tourney Result: | second round |
The 2002–03 Purdue Boilermakers men's basketball team represented Purdue University as a member of the Big Ten Conference during the 2002–03 NCAA Division I men's basketball season. The team was led by Gene Keady and played its home games at Mackey Arena.
|-!colspan=9 style=| Regular Season
|-!colspan=9 style=| Big Ten Tournament|-!colspan=9 style=| NCAA Tournament
See main article: 2002–03 NCAA Division I men's basketball rankings. [2]