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The 1932–33 Greek Football Cup was the second edition of the Greek Football Cup contested by 19 teams. AEK Athens unsuccessfully defended their 1932 title losing to Ethnikos Piraeus in the knock out second round. Aris would unsuccessfully defend their tournament winning streak, losing by 2–1 to Ethnikos Piraeus in the final replay on March 5, at Leoforos Alexandras Stadium against Aris.
In the knockout phase, teams play against each other over a single match. If the match ends up as a draw, extra time will be played and if the match remains a draw at the end of the extra time a replay match is set. That procedure will be repeated until a winner occurs. There are no seedings, any teams can be drawn against each other.