| Nowosiółki | |
| Settlement Type: | Village |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Podlaskie |
| Subdivision Type2: | County |
| Subdivision Name2: | Siemiatycze |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Milejczyce |
| Pushpin Map: | Poland |
| Coordinates: | 52.55°N 34°W |
Nowosiółki is a village in the administrative district of Gmina Milejczyce, within Siemiatycze County, Podlaskie Voivodeship, in north-eastern Poland.[1] It lies approximately 6km (04miles) north-east of Milejczyce, 260NaN0 north-east of Siemiatycze, and 630NaN0 south of the regional capital Białystok.