Skarżysko County (Polish: powiat skarżyski) is a unit of territorial administration and local government (powiat) in Świętokrzyskie Voivodeship, south-central Poland. It came into being on January 1, 1999, as a result of the Polish local government reforms passed in 1998. Its administrative seat and largest town is Skarżysko-Kamienna, which lies 34 kilometres (21 mi) north-east of the regional capital Kielce. The only other town in the county is Suchedniów, lying 10 km (6 mi) south-west of Skarżysko-Kamienna.
The county covers an area of 395.30 square kilometres (152.6 sq mi). As of 2019 its total population is 74,343, out of which the population of Skarżysko-Kamienna is 45,068, that of Suchedniów is 8,347, and the rural population is 20,928.
Skarżysko County is bordered by Szydłowiec County to the north, Starachowice County to the east, Kielce County to the south and Końskie County to the west.
The county is subdivided into five gminas (one urban, one urban-rural and three rural). These are listed in the following table, in descending order of population.
As of 2006, Skarżysko County has undergone three territorial changes since its creation in 1999 – several villages from neighbouring counties have been incorporated:
2000: Pogorzałe and Książece from Szydłowiec County, until then separate villages, became districts of Skarżysko-Kamienna.
2001: Majków and Michałów from Starachowice County became part of Gmina Skarżysko Kościelne.
2004: Kierz Niedźwiedzi from Szydłowiec County became part of Gmina Skarżysko Kościelne.