Cieszyn County is a unit of territorial administration and local government (powiat) in Silesian Voivodeship, southern Poland, on the Czech and Slovak border. It came into being on January 1, 1999, as a result of the Polish local government reforms passed in 1998.

Silesian Voivodeship is a voivodeship, or province, in southern Poland centered on the historic region known as Upper Silesia, with Katowice serving as its capital.