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").

AEK is a Greek professional football club based in Nea Filadelfeia, Athens, Greece.