Częstochowa County (Polish: powiat częstochowski) is a unit of territorial administration and local government (powiat) in Silesian Voivodeship, southern Poland. It came into being on January 1, 1999, as a result of the Polish local government reforms passed in 1998. Its administrative seat is the city of Częstochowa, although the city is not part of the county (it constitutes a separate city county). The towns in Częstochowa County are Blachownia, Koniecpol, Przyrów and Olsztyn.
The county covers an area of 1,519.49 square kilometres (586.7 sq mi). As of 2019 its total population is 134,637, out of which the population of Blachownia is 9,545, that of Koniecpol is 5,910, and the rural population is 119,182.