1956–57 Greek Football Cup
The 1956–57 Greek Football Cup was the 15th edition of the Greek Football Cup. The competition culminated with the Greek Cup Final, held at Karaiskakis Stadium, on 29 July 1957. The match was contested by Olympiacos and Iraklis, with Olympiacos winning by 2–0.
Calendar
From Round of 32 onwards:| Round | Date | Fixtures | Clubs | New entries |
| Round of 32 | 23 June 1957 | 14 | 32 → 16 | none |
| Round of 16 | 21 July 1957 | 9 | 16 → 8 | none |
| Quarter-finals | 25 August 1957 | 4 | 8 → 4 | none |
| Semi-finals | 1957 | 2 | 4 → 2 | none |
| Final | 8 September 1957 | 1 | 2 → 1 | none |