Oświęcim County (Polish: powiat oświęcimski) is a unit of territorial administration and local government (powiat) in Lesser Poland Voivodeship, southern 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 Oświęcim, which lies 51 kilometres (32 mi) west of the regional capital Kraków.

The county covers an area of 406.03 square kilometres (156.8 sq mi).

The county is subdivided into nine gminas (one urban, four urban-rural and four rural).