1983–84 KNVB Cup

The 66th edition of the KNVB Cup started on 8 October 1983. The final was played on 2 May 1984 as Feyenoord beat Fortuna Sittard 1–0 and won the cup for the sixth time. Replays were held if teams were tied after ninety minutes.

Teams

 * All 18 participants of the Eredivisie 1983-84
 * All 17 participants of the Eerste Divisie 1983-84
 * 29 teams from lower (amateur) leagues

First round
The matches of the first round were played on October 8 and 9, 1983.

E Eredivisie; 1 Eerste Divisie; A Amateur teams

Second round
The matches of the second round were played on November 12 and 13, 1983.

Round of 16
The matches of the round of 16 were played during January, 1984.

Quarter finals
The quarter finals were played between February 29 and March 4, 1984.

Semi-finals
The semi-finals were played on March 28, 1984.

Final
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.