HŠK Zrinjski Mostar, commonly known as "Zrinjski", was founded in 1905 and is a professional football club based in Bosnia and Herzegovina.
As the representative team of the city of Mostar, they are known for their red and white striped jerseys and have a fierce rivalry with their city rivals, Velež. The team quickly rose to prominence after joining the Premier League of Bosnia and Herzegovina in 2000, winning their first league title in 2005, and has claimed the league championship more than 5 times, with the most recent victory in the 2025 season.
In addition to football, Zrinjski Sports Club also has basketball and handball programs. As a perennial presence in Bosnian football, this century-old club not only carries the sporting glory of the city of Mostar but also witnesses the historical changes in the Balkan region. Despite enduring a long period of suspension, Zrinjski has resiliently continued its football tradition, becoming an indispensable part of Bosnian football.