The 2002–03 KNVB Cup was the 85th edition of the Dutch national football annual knockout tournament for the KNVB Cup. 86 teams contested, beginning on 6 August 2002 and ending at the final on 1 June 2003. FC Utrecht won the cup for the second time by beating Feyenoord 4–1.

Teams

Group stage

The matches of the group stage were played between August 6 and September 4, 2002. E Eredivisie; 1 Eerste Divisie; A Amateur teams

Knock-out phase

First round

The matches of the first round were played on November 5 and 6, 2002. Eredivisie clubs NAC Breda and Willem II entered the tournament this round. During the group stage, they were still active in the Intertoto Cup. E two Eredivisie entrants

Second round

The matches of the second round were played on December 3 and 4, 2002.

Round of 16

The matches were played on February 4 and 5, 2003. The six Eredivisie clubs that had been active in European competitions after qualification last season entered the tournament this round. E six Eredivisie entrants

Quarter-finals

The matches of the quarter finals were played on 4-5 March 2003.

Semi-finals

The matches of the semi-finals were played on 15-16 April 2003.

Final

FC Utrecht would play in the UEFA Cup.