Prudnik County (Polish: powiat prudnicki) is a unit of territorial administration and local government (powiat) in Opole Voivodeship, south-western Poland, on the Czech border. It was created on January 1, 1999 as a result of the Local Government Reorganization Act of 1998. Its administrative seat and largest town is Prudnik, which lies 46 kilometres (29 mi) south-west of the regional capital Opole. The county also contains the towns of Głogówek, lying 21 km (13 mi) east of Prudnik, and Biała Prudnicka, 11 km (7 mi) north-east of Prudnik.
The county covers an area of 571.16 square kilometres (220.5 sq mi). As of 2006 its total population is 59,931, out of which the population of Prudnik is 23,133, that of Głogówek is 5,816, that of Biała Prudnicka is 2,653, and the rural population is 28,329.
The county is subdivided into four gminas (three urban-rural and one rural). These are listed in the following table, in descending order of population.