| Competition: | Luxembourg National Division |
| Season: | 2002–03 |
| Winners: | Grevenmacher (1st title) |
| Continentalcup1: | Champions League |
| Continentalcup2: | UEFA Cup |
| Continentalcup2 Qualifiers: | F91 Dudelange |
| Continentalcup3: | Intertoto Cup |
| Continentalcup3 Qualifiers: | Union Luxembourg |
| Relegated: | Progrès Niederkorn Sporting Mertzig |
| Prevseason: | 2001–02 |
| Nextseason: | 2003–04 |
The 2002–03 Luxembourg National Division was the 89th season of top level association football in Luxembourg.
It was performed in 12 teams, and Grevenmacher won the championship.