| 1990–1991 | |
| Country: | Netherlands |
| Num Teams: | 67 |
| Defending Champions: | PSV |
| Winners: | Feyenoord |
| Second: | BVV Den Bosch |
| Scoring Leader: | Romario (5 goals) |
| Prev Season: | 1989–90 |
| Next Season: | 1991–92 |
The 73rd edition of the KNVB Cup started on 13 October 1990. The final was played on 2 June 1991: Feyenoord beat BVV Den Bosch 1–0 and won the cup for the seventh time.
The matches of the first round were played on 13 and 14 October 1990.
| Home team | Result | Away team | |
|---|---|---|---|
| NSVV A | 2–2 (p: 2–4) | SC Heracles 1 | |
| Oranje Nassau A | 0–1 (aet) | FC Zwolle 1 | |
| Quick Boys A | 5–2 | Helmond Sport 1 | |
| Rijnsburgse Boys A | 3–2 | Veendam 1 | |
| SC Genemuiden A | 2–3 (aet) | De Graafschap 1 | |
| Spartaan 1920 A | 0–4 | FC Eindhoven 1 | |
| VV Spijkenisse A | 1–4 | VVV 1 | |
| SC Enschede A | 0–2 | NEC E | |
| De Treffers A | 2–3 | Willem II E | |
| VV TSC A | 0–2 | SV Meerssen A | |
| De Valleivogels A | 3–5 (aet) | VC Vlissingen 1 | |
| Young Vitesse | 1–2 (aet) | BVV Den Bosch 1 | |
| Vitesse Delft A | 1–4 | Dordrecht'90 1 | |
| VVOG A | 0–3 | FC Wageningen 1 |
| Home team | Result | Away team | |
|---|---|---|---|
| Achilles 1894 A | 2–1 | RBC 1 | |
| ACV A | 0–4 | Sparta E | |
| AFC A | 0–1 | Cambuur Leeuwarden 1 | |
| RKSV Babberich A | 2–3 | Excelsior 1 | |
| VV Bennekom A | 0–6 | MVV E | |
| Concordia/SVD A | 1–4 | SVV E | |
| DVC A | 0–3 | HFC Haarlem 1 | |
| VV DWV A | 1–2 | Telstar 1 | |
| USV Elinkwijk A | 4–3 (aet) | AZ 1 | |
| VV Geldrop/AEK A | 3–2 | sc Heerenveen E | |
| RKSV Halsteren A | 1–2 | Go Ahead Eagles 1 | |
| VV Hoogeveen A | 0–3 | FC Emmen 1 | |
| TSV Longa A | 0–2 | FC Utrecht E | |
| VV Noordwijk A | 1–5 | NAC Breda 1 |
E Eredivisie; 1 Eerste Divisie; A Amateur teams
There was only room for 32 teams in the next round, so this intermediary round was held on 14 November 1990.
| Home team | Result | Away team | |
|---|---|---|---|
| Achilles 1894 | 1–2 | NAC Breda | |
| Cambuur Leeuwarden | 1–2 | Go Ahead Eagles | |
| FC Eindhoven | 1–3 (aet) | FC Wageningen | |
| MVV | 0–2 | FC Utrecht | |
| Quick Boys | 1–2 | NEC | |
| Rijnsburgse Boys | 0–2 | Dordrecht'90 | |
| SC Heracles | 5–2 | Telstar |
The matches of the second round were played on 14, 15 and 16 December 1990. The eleven highest ranked Eredivisie teams from last season entered the tournament this round.
| Home team | Result | Away team | |
|---|---|---|---|
| PSV E | 2–1 | FC Zwolle | |
| Roda JC E | 4–0 | FC Emmen | |
| SC Heracles | 0–1 | Feyenoord E | |
| Sparta | 1–0 | FC Volendam E | |
| SV Meerssen | 2–2 (p: 4–5) | De Graafschap | |
| SVV | 2–1 | Fortuna Sittard E | |
| VC Vlissingen | 1–3 | FC Groningen E | |
| VVV | 0–1 | FC Utrecht |
| Home team | Result | Away team | |
|---|---|---|---|
| Dordrecht'90 | 1–0 | FC Twente E | |
| USV Elinkwijk | 1–3 (aet) | Willem II | |
| Excelsior | 0–5 | Ajax E | |
| FC Den Haag E | 5–3 | HFC Haarlem | |
| VV Geldrop/AEK | 1–4 | BVV Den Bosch | |
| Go Ahead Eagles | 2–3 | Vitesse Arnhem E | |
| NAC Breda | 1–0 | RKC Waalwijk E | |
| NEC | 1–2 | FC Wageningen |
E eleven Eredivisie entrants
The matches of the round of 16 were played on 23 January 1991.
| Home team | Result | Away team | |
|---|---|---|---|
| Ajax | 3–1 | FC Groningen | |
| BVV Den Bosch | 3–1 | Sparta | |
| Feyenoord | 2–1 | NAC Breda | |
| PSV | 8–1 | FC Wageningen | |
| Willem II | 5–0 | SVV | |
| Roda JC | 2–1 | FC Utrecht (on 11 Jan.) | |
| Vitesse Arnhem | 3–1 | FC Den Haag (on 13 January) | |
| De Graafschap | 1–1 (p: 3–4) | Dordrecht'90 (on 27 February) |
The quarter finals were played on 27 February 1991.
| Home team | Result | Away team | |
|---|---|---|---|
| BVV Den Bosch | 0–0 (p: 4–3) | Vitesse Arnhem | |
| Roda JC | 1–0 | Ajax | |
| Willem II | 2–3 (aet) | PSV | |
| FC Dordrecht | 1–3 | Feyenoord (on 12 March) |
The semi-finals were played on 27 March and 11 April 1991.
| Home team | Result | Away team | |
|---|---|---|---|
| BVV Den Bosch | 2–2 (p: 4–2) | Roda JC | |
| PSV | 0–1 | Feyenoord |
Feyenoord would participate in the Cup Winners' Cup.