Radnik Bijeljina is a professional football club from the city of Bijeljina, competing in the Premier League of Bosnia and Herzegovina, the country's top division. The club, whose name means "The Worker," has a strong identity tied to its industrial roots and community. Their home is the Gradski Stadion in Bijeljina. Founded in 1945, Radnik has experienced various phases, with its greatest success coming in the modern era. The club achieved a historic milestone by winning the Bosnian Cup in 2016, which stands as their crowning achievement and earned them a place in European competition. This period defined the club, built on a solid defensive foundation and tremendous team spirit. In the Premier League, Radnik typically aims to secure a stable mid-table position while occasionally mounting a challenge for European spots. The fan base is passionate and loyal, creating a formidable atmosphere at home games. Radnik Bijeljina stands as a proud representative of northeastern Bosnia and a respected competitor in the national top flight.