The 2002–03 Belgian Cup was the 48th season of the main knockout competition in Belgian association football, the Belgian Cup. For the first time the quarter-finals were played in two legs.
| Tournament details | |
|---|---|
| Country |  Belgium |
| Final positions | |
| Champions | Louviéroise |
| Runner-up | Sint-Truidense |
| Tournament statistics | |
| Matches played | 37 |
Final rounds
The final phase started in the round of 32 when all clubs from the first division entered the competition (18 clubs plus 14 clubs from the qualifications).[1] All rounds were played in one leg except for the quarter-finals and the semifinals (in two legs). The final game was played at the Heysel Stadium in Brussels and won by Louviéroise against Sint-Truidense.
Final
| La Louvière | 3–1 | Sint-Truiden |
|---|---|---|
Ishiaku  27', 72'Arts 35' | Report | Buvens 83' |