Athletic Club Omonia Nicosia, commonly referred to as Omonia, is a Cypriot football club based in Nicosia. The home ground of the club is the GSP Stadium in Nicosia.
The club was established on 4 June 1948, joining the Cyprus Football Association in 1953 and is the most popular club in Cyprus. Omonoia has won 24 league championships, 19 Cypriot Cups and 16 Super Cups. Omonoia holds an outstanding record of 14 championships in two decades, between 1970-1989 and remains the only team to have won the championship six times in a row, between 1974-79 and the Cypriot Cup four times in a row, between 1980–1983. In the UEFA rankings of the Cypriot clubs Omonoia is currently ranked in third place.
As an athletic club, Omonoia also operates basketball, volleyball, cycling and futsal. The latter one is being particularly successful, having won the league and cup in three consecutive years since 2011.