The 1938–39 Greek Football Cup was the third edition of the Greek Football Cup. The competition culminated with the Greek Cup Final, held at Leoforos Alexandras Stadium, on 28 May 1939. The match was contested by AEK Athens and PAOK, with AEK Athens winning by 2–1.

Kleanthis Maropoulos was a Greek footballer who played as a striker for AEK Athens. He was a star footballer during the 1930s and 1940s and arguably the greatest Greek player of his generation. He was affectionately known as the "Blonde Eagle of AEK" (Greek: "Ξανθός Αετός της ΑΕΚ").