Kolejowy Klub Sportowy Czarni Sosnowiec, commonly referred to as Czarni Sosnowiec, is a football club from Sosnowiec, Poland. The club was founded in 1924, and its home ground is the Jan Ciszewski's Stadium. It has a women's and a men's section.
Women's football team, founded 5 September 1974, holds the Polish record for championship titles won, with 13 titles to its name. After some financial problems the club was in the 2007âÂÂ08 season relegated from the Ekstraliga Kobiet; in 2008âÂÂ09 they reached the promotion playoffs but lost convincingly. With the expansion of the Ekstraliga in 2010âÂÂ11 a second-place was enough to ensure direct promotion again. In 2021, they won their first championship in over twenty years.
In the 2024âÂÂ25 season, men's section of Czarni competed in the 9th-tier Klasa B, before withdrawing from competition during the winter break.