Lwówek County (Polish: powiat lwówecki) is a unit of territorial administration and local government (powiat) in Lower Silesian Voivodeship, south-western 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 709.9 square kilometres (274.1 sq mi).

The county is subdivided into five gminas (all of them urban-rural, centred on the five towns).

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