Wieliczka County (powiat wielicki) 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 Wieliczka, which lies 13 km south-east of the regional capital Kraków. The only other town in the county is Niepołomice, lying 12 km north-east of Wieliczka.
The county covers an area of 427.8 km2. As of 2006 its total population is 105,266, out of which the population of Wieliczka is 19,133, that of Niepołomice is 8,537, and the rural population is 77,596.
Wieliczka County is bordered by Bochnia County to the east, Myślenice County to the south, and the city of Kraków and Kraków County to the north-west.
