The 1984-85 KNVB Cup 67th edition of the Dutch national football annual knockout tournament for the KNVB Cup.
46 teams contested, beginning on 20 October 1984 and ending at the final on 6 June 1985.
FC Utrecht beat Helmond Sport 1–0 and won the cup for the first time.
Replays were held if teams were tied after ninety minutes.
E Eredivisie; 1 Eerste Divisie; A Amateur teams The matches of the second round were played on November 17 and 18, 1984.