2005–06 KNVB Cup
| Tournament details | |
|---|---|
| Country | Netherlands |
| Teams | 87 |
| Final positions | |
| Champions | Ajax |
| Runners-up | PSV |
| Tournament statistics | |
| Top goal scorer | Klaas-Jan Huntelaar (6) |
The 2005–06 KNVB Cup was the 88th edition of the Dutch national football annual knockout tournament for the KNVB Cup. 87 teams contested, beginning on 2 August 2005 and ending at the final on 7 May 2006.
Ajax beat PSV 2–1 in the final, winning the trophy for the sixteenth time.