| Belgian Cup | |
| Year: | 2008–09 |
| Champions: | Genk |
| Runner-Up: | KV Mechelen |
| Prevseason: | 2007–08 |
| Nextseason: | 2009–10 |
The Belgian Cup 2008–09 was the 54th season of the main knockout football competition in Belgium. It is commonly named Cofidis Cup, after its sponsor Cofidis. It was won by Genk.
In the first two rounds, teams from the provincial leagues and promotion division played each other. In the third round, teams from the third division joined in. Round four was the starting point for the teams from the second division. After the fifth round, only 14 teams remained.
Teams from the Belgian First Division 2008–09Jupiler Pro League entered the competition at this stage. Teams from the first division were seeded and couldn't meet each other, except for the newly promoted teams, Kortrijk and Tubize, who did not belong to this seeded group.
Apart from the 18 teams directly qualified, 14 other teams had qualified through winning in the fifth round:
The draw was made on September 3, 2008.
}
The draw for the seventh round and the quarterfinals was made on November 21, 2008. The match between Cercle Brugge and Charleroi was postponed from January 13 to January 21 due to insufficient pitch conditions.[1]
The quarter-finals were two-legged.
The matches Kortrijk–KV Mechelen and Roeselare–Cercle Brugge were postponed to 17 February due to insufficient pitch conditions.[2]
The semifinals were also two-legged. The draw was made on February 10, 2009.