Bielsko County (Polish: powiat bielski) 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.

The county covers an area of 457.23 square kilometres (176.5 sq mi).

The county is subdivided into 10 gminas (one urban, two urban-rural and seven rural).

These are listed in the following table, in descending order of population.