| Pniewnik | |
| Settlement Type: | Village |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Masovian |
| Subdivision Type2: | County |
| Subdivision Name2: | Węgrów |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Korytnica |
| Coordinates: | 52.3833°N 70°W |
| Pushpin Map: | Poland |
| Pushpin Label Position: | bottom |
Pniewnik is a village in the administrative district of Gmina Korytnica, within Węgrów County, Masovian Voivodeship, in east-central Poland.[1] It lies approximately 14km (09miles) west of Węgrów, and approximately 590NaN0 east of Warsaw.