Zagłębie Sosnowiec is a Polish professional football club based in Sosnowiec. They will compete in II liga in the 2024–25 season, following relegation from the 2023–24 I liga.

Sosnowiec is an industrial city county in the Dąbrowa Basin of southern Poland, in the Silesian Voivodeship, which is also part of the Metropolis GZM municipal association. Located in the eastern part of the Upper Silesian Industrial Region, Sosnowiec is one of the cities of the Katowice urban area, which is a conurbation with the overall population of 2.7 million people; as well as the greater Upper Silesian-Moravian metropolitan area populated by about 5.3 million people. The population of the city is 189,178 as of December 2022.