Athinaikos FC (Greek: Αθηνα'ι'κός Αθλητικός Σύλλογος, Athinaikos Athlitikos Syllogos or Athinaikos Athletic Association) is a Greek football club, formed in 1917. It was a founder, amongst other Greek teams, of the Hellenic Football Federation.
- Nickname: The Lords of Vyrona
- Colours: Red and Yellow
- Stadium: Vyrona Stadium (capacity 4,340)
The team has played in the Greek Football A Division the following years:
- 1991: 6th place
- 1992: 11th place
- 1993: 10th place
- 1994: 12th place
- 1995: 11th place
- 1996: 9th place
- 1997: 12th place
- 1998: 18th place - relegated
- 2001: 16th place - relegated
In 1991, Athinaikos surprised the Greek football world by securing a place in the final of the Greek Cup, however, the Vyrona club lost the two-game final to Panathinaikos. Nevertheless, they represented Greece in the European Cup-Winners Cup as Panathinaikos had achieved a Champions' Cup berth. They were drawn against Manchester United and managed home and away regulation time draws before conceeding 2 goals in extra time at Old Trafford.