| Country: | Australia |
| Season: | 2002–03 |
| Division1: | NSL Premiership |
| Champions1: | Sydney Olympic |
| Division2: | NSL Championship |
| Champions2: | Perth Glory |
| Wdivision1: | WNSL Premiership |
| Wchampions1: | Queensland Sting |
| Wdivision2: | WNSL Championship |
| Wchampions2: | Queensland Sting |
| Prevseason: | 2001–02 |
| Nextseason: | 2003–04 |
| Flagicon: | yes |
| Soccer: | yes |
The 2002–03 season was the 34th season of national competitive association football in Australia and 120th overall.
See main article: Australia men's national soccer team.
See main article: Australia women's national soccer team.