| 1983–84 | |
| Country: | Netherlands |
| Num Teams: | 64 |
| Defending Champions: | Ajax |
| Winners: | Feyenoord |
| Second: | Fortuna Sittard |
| Prev Season: | 1982–83 |
| Next Season: | 1984–85 |
The 1983-84 KNVB Cup was the 66th edition of the Dutch national football annual knockout tournament for the KNVB Cup. 46 teams contested, beginning on 8 October 1983 and ending at the final on 2 May 1984.
Feyenoord beat Fortuna Sittard 1–0 and won the cup for the sixth time. Replays were held if teams were tied after ninety minutes.
The matches of the first round were played on 8-9 October 1983.
| Home team | Result | Away team | |
|---|---|---|---|
| sc Heerenveen 1 | 0–1 | Feyenoord E | |
| Helmond Sport E | 0–0 | HFC Haarlem E | |
| RVV HOV A | 0–5 | Ajax E | |
| TSV Longa A | 1–4 | PEC Zwolle E | |
| MVV 1 | 1–0 | Vitesse Arnhem 1 | |
| NEC 1 | 2–0 | Excelsior E | |
| VV Noordwijk A | 0–3 | SC Heracles 1 | |
| Oranje Nassau A | 0–1 | FC VVV 1 | |
| Quick Boys A | 1–0 | SV AWC A | |
| ROHDA Raalte A | 2–11 | Sparta E | |
| Rijnsburgse Boys A | 3–1 | Willem II E | |
| SC Cambuur 1 | 2–2 | PSV E | |
| SV Spakenburg A | 1–4 | FC Groningen E | |
| TOP Oss A | 1–1 | RBC 1 | |
| De Treffers A | 1–1 | IJsselmeervogels A | |
| FC Wageningen 1 | 1–5 | AZ'67 E |
| Home team | Result | Away team | |
|---|---|---|---|
| Achilles'29 A | 0–5 | Go Ahead Eagles E | |
| ACV A | 0–7 | Roda JC E | |
| BVV Barendrecht A | 0–2 | XerxesDZB A | |
| SV Blerick A | 1–0 | FC Eindhoven 1 | |
| VV Breskens A | 2–0 | DWS A | |
| DESK A | 3–3 | VV Caesar A | |
| DHC Delft A | 2–4 | FC Den Haag 1 | |
| VV DOVO A | 2–4 | Fortuna Sittard E | |
| VV Drachtster Boys A | 1–3 | DS '79 E | |
| VV DWV A | 1–0 | FC Den Bosch E | |
| USV Elinkwijk A | 1–0 | SC Veendam 1 | |
| FC Emmen A | 3–0 | AFC A | |
| FC Twente 1 | 4–0 | Telstar 1 | |
| FC Utrecht E | 1–0 | FC Volendam E | |
| VV Geldrop/AEK A | 1–5 | NAC Breda 1 (played at Breda) | |
| De Graafschap 1 | 5–3 | SVV 1 |
E Eredivisie; 1 Eerste Divisie; A Amateur teams
| Home team | Result | Away team | |
|---|---|---|---|
| VV Caesar | 1–0 | DESK | |
| HFC Haarlem | (p) 1-1 | Helmond Sport | |
| IJsselmeervogels | 3–2 | De Treffers | |
| PSV | 3–2 | SC Cambuur | |
| RBC | (p) 2-2 | TOP Oss |
The matches of the second round were played on November 12 and 13, 1983.
| Home team | Result | Away team | |
|---|---|---|---|
| Fortuna Sittard | 3–0 | Go Ahead Eagles | |
| De Graafschap | 3–2 | SC Heracles | |
| IJsselmeervogels | 1–5 | DS '79 | |
| MVV | 2–2 | HFC Haarlem | |
| NEC | 0–0 | Quick Boys | |
| PSV | 5–1 | NAC Breda | |
| Roda JC | 1–0 | Rijnsburgse Boys | |
| Sparta | 4–1 | FC VVV |
| Home team | Result | Away team | |
|---|---|---|---|
| AZ'67 | 6–1 | FC Emmen | |
| SV Blerick | 2–1 | PEC Zwolle | |
| VV Breskens | 2–2 | VV Caesar | |
| VV DWV | 0–6 | Ajax | |
| FC Den Haag | 4–0 | XerxesDZB | |
| FC Groningen | 4–0 | RBC | |
| FC Twente | 3–1 | FC Utrecht | |
| Feyenoord | 7–0 | USV Elinkwijk |
| Home team | Result | Away team | |
|---|---|---|---|
| VV Caesar | 1–0 | VV Breskens | |
| Quick Boys | 2–4 | NEC |
The matches of the round of 16 were played during January, 1984.
| Home team | Result | Away team | |
|---|---|---|---|
| Ajax | 2–2 | Feyenoord | |
| SV Blerick | 1–6 | AZ'67 | |
| FC Den Haag | 1–5 | FC Twente | |
| FC Groningen | 1–0 | Sparta | |
| De Graafschap | 0–1 | HFC Haarlem | |
| NEC | 1–1 | DS '79 | |
| PSV | 5–0 | VV Caesar | |
| Roda JC | 1–2 | Fortuna Sittard |
| Home team | Result | Away team | |
|---|---|---|---|
| DS '79 | 0–2 | NEC | |
| Feyenoord | 2–1 (aet) | Ajax |
The quarter finals were played between February 29 and March 4, 1984.
| Home team | Result | Away team | |
|---|---|---|---|
| FC Groningen | 2–2 | FC Twente | |
| Feyenoord | 6–1 | NEC | |
| Fortuna Sittard | 5–0 | AZ'67 | |
| HFC Haarlem | 4–1 | PSV |
The semi-finals were played on March 28, 1984.
| Home team | Result | Away team | |
|---|---|---|---|
| Feyenoord | 1–1 | HFC Haarlem | |
| Fortuna Sittard | 2–0 | FC Groningen |
Feyenoord also won the Dutch Eredivisie championship, thereby taking the double. They would participate in the European Cup, so finalists Fortuna Sittard could play in the Cup Winners' Cup.