The 1987-88 KNVB Cup was the 70th edition of the Dutch national football annual knockout tournament for the KNVB Cup. 64 teams contested, beginning on 7 October 1987 and ending at the final on 12 May 1988.
PSV beat Roda JC 3–2 and won the cup for the fourth time.
The matches of the first round were played between 7 and 13 October 1987.
E Eredivisie; 1 Eerste Divisie; A Amateur teams
The matches of the second round were played on November 14 and 15, 1987.
The matches of the round of 16 were played on February 10, 12, 14 and March 30, 1988.
The quarter finals were played on April 13, 1988.
The semi-finals were played on April 26, 1988.
PSV also won the Dutch Eredivisie championship, thereby taking the double. They would participate in the European Cup, so Roda JC could play in the Cup Winners' Cup.