| Niewiadoma | |
| Settlement Type: | Village |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Masovian |
| Subdivision Type2: | County |
| Subdivision Name2: | Sokołów |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Sabnie |
| Coordinates: | 52.4667°N 40°W |
| Pushpin Map: | Poland |
| Pushpin Label Position: | bottom |
| Population Total: | 100 |
Niewiadoma is a village in the administrative district of Gmina Sabnie, within Sokołów County, Masovian Voivodeship, in east-central Poland.[1] It lies approximately 6km (04miles) south of Sabnie, 80NaN0 north-east of Sokołów Podlaski, and 930NaN0 east of Warsaw.