Sloga Doboj is a Montenegrin club based in the town of Doboj. The club was formed in 1924 and played its first competitive match in the 1945–46 Montenegrin First League. The club has spent most of its history in the Second League, except for one season in the First League in the 1981–82 season. The club has played in the Montenegrin Second Football League since its establishment in 2006. Sloga Doboj’s home ground is the Stadion Poljana in Doboj.