The Greek Cup 1956–57 was the 15th edition of The Greek Football Cup, or Greek Cup for short.
The competition culminated with the Greek Cup Final, held at Georgios Karaiskakis Stadium, Piraeus on 29 July 1957. The match was contested by Olympiacos and Iraklis, with Olympiacos taking the title 2–0.
The 15th Greek Cup Final was played at the Georgios Karaiskakis Stadium, Piraeus.
1According to the Greek FA's official site, the match was played on July 30.