Östersunds Fotbollsklubb, commonly known simply as Östersunds FK, Östersund (Swedish pronunciation: [œstɛˈʂɵnːd]) or (especially locally) ÖFK, is a Swedish professional football club located in Östersund, Sweden, that plays in the Swedish second tier, Superettan. The club was formed in 1996 as a merger of several Östersund clubs. The club is affiliated with the Jämtland-Härjedalens Fotbollförbund and play their home games at Jämtkraft Arena. The club colours, reflected in their crest and kit, are red and black, predominantly in stripes and with red shorts and socks.
From its creation, the club played mostly in the third tier of Swedish football but in 2013 Östersund achieved promotion to the second tier, Superettan, after achieving two consecutive promotions. In 2016 Östersund was promoted to the Swedish first tier, Allsvenskan, for the first time. In 2017, Östersund won the Svenska Cupen and qualified for the UEFA Europa League. The club was relegated to Superettan in 2021.