The 1971-72 KNVB Cup was the 54th edition of the Dutch national football annual knockout tournament for the KNVB Cup. 32 teams contested, beginning on 9 January 1972 and ending at the final on 11 May 1972.

Ajax successfully defended its 1971 title achieving its 7th KNVB Cup defeating FC Den Haag, 3–2. Ajax being the champions of the Eredivisie achieved a double. They contested in the European Cup, so finalists FC Den Haag would participate in the Cup Winners' Cup.

• All 18 participants of the Eredivisie 1971–72
• 14 participants of the Eerste Divisie 1971–72

The matches of the first round were played on 9 January 1972.

_E Eredivisie; ₁ Eerste Divisie

The matches of the round of 16 were played on February 11, 13 and 20, 1972.

The quarter finals were played on March 15 and 29, 1972.

The semi-finals were played on April 11 and 12, 1972.

11 May 1972

Ajax	3–2	FC Den Haag
Cruijff 34' Mühren 61' (pen.) Keizer 85'		van Eeden 68' Mansveld 85' (pen.)

De Kuip, Rotterdam

Attendance: 58,000

Referee: Jef Dorpmans

Ajax also were the champions of the Eredivisie, thereby taking the double. They would participate in the European Cup, so finalists FC Den Haag would participate in the Cup Winners' Cup.

• Eredivisie 1971–72
• Eerste Divisie 1971–72

• Netherlands Cup Full Results 1970–1994 by the RSSSF