Kazimierza County (Polish: powiat kazimierski) 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 Kazimierza Wielka, which lies 69 kilometres (43 mi) south of the regional capital Kielce.

The only other town in the county is Skalbmierz, lying 9 km (6 mi) north-west of Kazimierza Wielka.

The county covers an area of 422.48 square kilometres (163.1 sq mi).