Coritiba Foot Ball Club, commonly known as Coritiba and colloquially referred to as "Coxa", is a Brazilian football club from Curitiba, capital city of the Brazilian state of Paraná. Founded in 1909 by German immigrants, it is the oldest football club in the state. Coritiba have won the Paraná State Championship 39 times – more than both of its main rivals combined (Athletico Paranaense have 26 titles and Paraná Clube have 7). Coritiba has won the Brazilian Championship once in 1985.

Coritiba is the first club from southern Brazil to have won a national title, the 1973 Torneio do Povo, and is also the first southern club to have competed in both main continental competitions – the Copa Libertadores and the Copa Sudamericana. Coritiba was both the first club from Paraná to have won the Série A (the main title in Brazil), and to reach the semi-finals in the second main competition in the country – the Copa do Brasil – in 1991, 2001, 2009, and to reach the finals in 2011 and 2012.

Coritiba is the only club who have six consecutive Paranaense titles, between 1971 and 1976. Coritiba is also the club with the most appearances in this championship.

The club are currently in first place on the FPF ranking, 14th place on the CBF ranking, 83rd place on the Conmebol ranking and 125th on the international IFFHS ranking. The club has more than 30,000 members.

As of 2013, Coritiba has partnerships (including loans and exchanges of youth players) with Porto and Benfica of Portugal, Chivas Guadalajara of Mexico, Daegu of South Korea and VVV-Venlo of the Netherlands. Coritiba is the first football club in the south of Brazil to begin to embrace American football. The american football team Coritiba Crocodiles were formed through a fusion between Coritiba (american football) and the Barigui Crocodiles, and are three times Brazilian champions, nine times state champions and have twice won the southern conference.