| Trzebnica County | |
| Native Name: | Powiat trzebnicki |
| Settlement Type: | County |
| Subdivision Type: | Country |
| Subdivision Name: | Poland |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Lower Silesian |
| Seat: | Trzebnica |
| Parts Type: | Gminas |
| Parts: | Total 6 |
| P1: | Gmina Oborniki Śląskie |
| P2: | Gmina Prusice |
| P3: | Gmina Trzebnica |
| P4: | Gmina Wisznia Mała |
| P5: | Gmina Zawonia |
| P6: | Gmina Żmigród |
| Area Total Km2: | 1025.55 |
| Total Type: | Total |
| Population As Of: | 2019-06-30[1] |
| Population Total: | 85092 |
| Population Density Km2: | auto |
| Population Urban: | 31108 |
| Population Blank1 Title: | Rural |
| Population Blank1: | 53984 |
| Blank Name: | Car plates |
| Blank Info: | DTR |
| Website: | http://powiat.trzebnica.pl |
Trzebnica County (Polish: powiat trzebnicki) 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 1025.5km2. Its administrative seat is Trzebnica, and it also contains the towns of Oborniki Śląskie, Żmigród 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 Śląskie with 9,099 inhabitants.
Trzebnica County is bordered by Rawicz County and Milicz County to the north, Oleśnica County to the east, Wrocław County and the city of Wrocław to the south, Środa Śląska County and Wołów 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.
| Gmina | Type | Area (km2) | Population (2019) | Seat |
| Gmina Trzebnica | urban-rural | 200.2 | 24,380 | Trzebnica |
| Gmina Oborniki Śląskie | urban-rural | 153.8 | 20,261 | Oborniki Śląskie |
| Gmina Żmigród | urban-rural | 292.1 | 14,666 | Żmigród |
| Gmina Wisznia Mała | rural | 103.3 | 10,482 | Wisznia Mała |
| Gmina Prusice | urban-rural | 158.0 | 9,374 | Prusice |
| Gmina Zawonia | rural | 118.1 | 5,929 | Zawonia |