Wąbrzeźno County (Polish: powiat wąbrzeski) is a unit of territorial administration and local government (powiat) in Kuyavian-Pomeranian Voivodeship, north-central 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 only town is Wąbrzeźno, which lies 36 km (22 mi) north-east of Toruń and 66 km (41 mi) east of Bydgoszcz.
The county covers an area of 501.31 square kilometres (193.6 sq mi). As of 2019 its total population is 34,297, out of which the population of Wąbrzeźno is 13,570 and the rural population is 20,727.
Wąbrzeźno County is bordered by Grudziądz County to the north, Brodnica County to the east, Golub-Dobrzyń County to the south, Toruń County to the south-west, and Chełmno County to the west.
The county is subdivided into five gminas (one urban and four rural). These are listed in the following table, in descending order of population.