1970–71 KNVB Cup
The 53rd edition of the KNVB Cup started on August 15, 1970. The final was played on May 20, 1971: Ajax beat Sparta 2–1 and won the cup for the sixth time. First round. The matches of the first round were played on August 15 and 16 1970. Cupholders Ajax received a bye for this round. Second round. The matches of the second round were played on November 8, 1970. The following clubs received a bye: Fortuna Sittard, FC Twente, Holland Sport, HFC Haarlem, Sparta Rotterdam and SC Drenthe. Round of 16. The matches of the round  of 16 were played on March 14, 1971. Quarter finals. The quarter finals were played on April 7 and 8 1971. Semi-finals. The semi-finals were played on April 21 and 22 1971. Final. The final was played on May 5, 1971. The replay was played on May 20, 1971. Sparta would participate in the Cup Winners' Cup, since Ajax finished second in the Eredivisie, already qualifying for the European Cup.