Kalisz County (Polish: powiat kaliski) is a unit of territorial administration and local government (powiat) in Greater Poland Voivodeship, west-central Poland.

It came into being on 1 January 1999 as a result of the Polish local government reforms passed in 1998.

The county covers an area of 1,160.02 square kilometres (447.9 sq mi).

The county is subdivided into 11 gminas (one urban-rural and 10 rural).

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