2009–10 KNVB Cup
| Tournament details | |
|---|---|
| Country | Netherlands |
| Teams | 88 |
| Final positions | |
| Champions | AFC Ajax |
| Runners-up | Feyenoord |
| Tournament statistics | |
| Top goal scorer | Luis Suarez (8) |
The 2009–10 KNVB Cup was the 92nd edition of the Dutch national football knockout tournament for the KNVB Cup. 88 teams contested beginning on 29 August 2009 with the matches of Round 1 and culminated with a double-leg final on 25 April and 6 May 2010.
SC Heerenveen unsuccessfully defended its 2009 title, losing in Round 4 to PSV.
On 15 April, the Royal Dutch Football Association (KNVB) announced that the final was to be played over two legs due to anticipated violence between supporters of participants Ajax and Feyenoord in a rivalry known as the Klassieker. The first leg of the final was staged in Amsterdam on April 25, with winning 2–0. The return followed on 6 May in Rotterdam, with Ajax winning 4–1, therefore 6–1 on aggregate. Ajax qualified for the play-off round of the 2010–11 UEFA Europa League.