| Club: | Wimbledon |
| Season: | 2002–03 |
| Manager: | Stuart Murdoch |
| Stadium: | Selhurst Park |
| League: | First Division |
| League Result: | 10th |
| Cup1: | FA Cup |
| Cup1 Result: | Fourth round |
| Cup2: | League Cup |
| Cup2 Result: | Third round |
| League Topscorer: | David Connolly (24) |
| Season Topscorer: | David Connolly/Neil Shipperley (24) |
| Prevseason: | 2001–02 |
| Nextseason: | 2003–04 |
During the 2002–03 English football season, Wimbledon competed in the Football League First Division. It was their third consecutive season at this level.
|-! colspan=14 style=background:#dcdcdc; text-align:center| Goalkeepers|-! colspan=14 style=background:#dcdcdc; text-align:center| Defenders|-! colspan=14 style=background:#dcdcdc; text-align:center| Midfielders|-! colspan=14 style=background:#dcdcdc; text-align:center| Forwards|-! colspan=14 style=background:#dcdcdc; text-align:center| Players left during the season|}Source:[1]