Wałcz County (Polish: powiat wałecki) is a unit of territorial administration and local government (powiat) in West Pomeranian Voivodeship, north-western 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 Wałcz, which lies 127 kilometres (79 mi) east of the regional capital Szczecin. The county contains three other towns: Mirosławiec, 27 km (17 mi) west of Wałcz, Człopa, 31 km (19 mi) south-west of Wałcz, and Tuczno, 25 km (16 mi) south-west of Wałcz.
The county covers an area of 1,414.79 square kilometres (546.3 sq mi). As of 2006 its total population is 54,639, out of which the population of Wałcz is 26,140, that of Mirosławiec is 2,633, that of Człopa is 2,390, that of Tuczno is 1,965, and the rural population is 21,511.
The county is subdivided into five gminas (one urban, three urban-rural and one rural). These are listed in the following table, in descending order of population.