FC Baník Ostrava is a football club from the Silesian part of the city of Ostrava, Czech Republic. It is based in Slezská Ostrava district of the city.
Founded in 1922 as SK Slezská Ostrava, Baník has won numerous national and international trophies. The home stadium is Bazaly, and club colours are blue and white. Baník's greatest national rivals are Sparta Prague. Regionally, Silesian neighbours SFC Opava were at one time their rivals in the local derby. However, with the relegation of SFC Opava from the Czech First League in 2005, the rivalry is not what it once was.