The Athens-Piraeus Football Clubs Association (FCA) (Greek: Ένωση Ποδοσφαιρικών Σωματείων (Ε.Π.Σ.) Αθηνών-Πειραιώς Enosi Podosferikon Somation (E.P.S.) Athinon-Pireos) was founded in 1919 and was the first official football clubs league in Greece. Due to a dispute among teams of Athens and Piraeus, it was split into Athens and Piraeus Football Clubs Associations in 1924.
Athens-Piraeus FCA Champions
- 1921: Panathinaikos
- 1922: Panathinaikos
- 1923: Piraikos Syndesmos
- 1924: AFC Piraeus