Trzebnica County () is a unit of territorial administration and local government (powiat) in Lower Silesian Voivodeship, south-western Poland. It came into being on January 1, 1999, as a result of the Polish local government reforms passed in 1998. The county covers an area of . Its administrative seat is Trzebnica, and it also contains the towns of Oborniki à Âlàskie, à »migród and Prusice.
As of 2019 the total population of the county is 85,092. The most populated towns are Trzebnica with 13,331 inhabitants and Oborniki à Âlàskie with 9,099 inhabitants.
Trzebnica County is bordered by Rawicz County and Milicz County to the north, Oleà Ânica County to the east, Wrocà Âaw County and the city of Wrocà Âaw to the south, à Âroda County and Woà Âów County to the west, and Góra County to the north-west.
The county is subdivided into six gminas (four urban-rural and two rural). These are listed in the following table, in descending order of population.