The 1983–84 Cypriot Cup was the 42nd edition of the Cypriot Cup. A total of 41 clubs entered the competition. It began on 13 November 1983 with the preliminary round and concluded on 9 June 1984 with the final which was held at Tsirion Stadium. APOEL won their 12th Cypriot Cup trophy after beating Pezoporikos 3–1 in the final.