| Węgrów County | |
| Native Name: | Powiat węgrowski |
| Settlement Type: | County |
| Total Type: | Total |
| Image Map1: | POL powiat wegrowski map.svg |
| Map Caption1: | Division into gminas |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Masovian |
| Area Total Km2: | 1219.18 |
| Population Total: | 66037 |
| Population As Of: | 2019 |
| Population Density Km2: | auto |
| Population Urban: | 19453 |
| Population Blank1 Title: | Rural |
| Population Blank1: | 46584 |
| Coor Pinpoint: | Węgrów |
| Coordinates: | 52.4°N 23°W |
| Seat: | Węgrów |
| Parts Type: | Gminas |
| Parts: | Total 9 (incl. 1 urban) |
| P1: | Węgrów |
| P2: | Gmina Grębków |
| P3: | Gmina Korytnica |
| P4: | Gmina Liw |
| P5: | Gmina Łochów |
| P6: | Gmina Miedzna |
| P7: | Gmina Sadowne |
| P8: | Gmina Stoczek |
| P9: | Gmina Wierzbno |
| Blank Name: | Car plates |
| Blank Info: | WWE |
| Website: | http://www.powiatwegrowski.pl |
Węgrów County (Polish: powiat węgrowski) is a unit of territorial administration and local government (powiat) in Masovian Voivodeship, east-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 largest town is Węgrów, which lies 73km (45miles) east of Warsaw. The only other town in the county is Łochów, lying 260NaN0 north-west of Węgrów.
The county covers an area of 1219.18km2. As of 2019 its total population is 66,037, out of which the population of Węgrów is 12,628, that of Łochów is 6,825, and the rural population is 46,584.[1]
Węgrów County is bordered by Ostrów Mazowiecka County to the north, Sokołów County to the east, Siedlce County to the south, Mińsk County to the south-west, and Wołomin County and Wyszków County to the west.
The county is subdivided into nine gminas (one urban, one urban-rural and seven rural). These are listed in the following table, in descending order of population.
| Gmina | Type | Area (km2) | Population (2019) | Seat |
| Gmina Łochów | urban-rural | 195.0 | 17,908 | Łochów |
| Węgrów | urban | 35.5 | 12,628 | Węgrów |
| Gmina Liw | rural | 169.6 | 7,397 | Węgrów * |
| Gmina Korytnica | rural | 180.5 | 6,221 | Korytnica |
| Gmina Sadowne | rural | 144.7 | 5,861 | Sadowne |
| Gmina Stoczek | rural | 144.3 | 4,967 | Stoczek |
| Gmina Grębków | rural | 130.8 | 4,451 | Grębków |
| Gmina Miedzna | rural | 115.8 | 3,842 | Miedzna |
| Gmina Wierzbno | rural | 103.1 | 2,762 | Wierzbno |
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