Karşıyaka is a Turkish sports club located in Karşıyaka, Izmir. The team was founded on November 1, 1912. The "SK" refers to sports club, as besides football the club has sports branches in basketball, volleyball, handball, tennis, swimming, sailing, billiards and bowling. The club's football team is currently playing in the Turkish First League, the basketball team in the Turkish Basketball League and the women's volleyball team in the Turkish Women's Second League.
Karşıyaka have a fierce rivalry with Göztepe; the match between the two teams is collectively known as the Izmir Derby. Other rivalries are with Bursaspor and Altay.
Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality.
- Turkish Premier Division: 1958–64, 1966–67, 1970–72, 1987–91, 1992–94, 1995–96
- Turkish First Division: 1964–66, 1967–70, 1972–73, 1980–87, 1991–92, 1994–95, 1996–01, 2003–present
- Turkish Second Division: 1973–80, 2001–03