Gamlakarleby Bollklubb is a Finnish football club from Kokkola (Gamlakarleby in Swedish). It currently plays in the Finnish Second Division (Kakkonen), which is the third-highest level in Finnish football. GBK play their home games at the Keskuskentta in Kokkola, which has the capacity to accommodate around 3,000 people.
GBK is a bilingual club that organises its activities in both Finnish and Swedish.