| Długosielce | |
| Settlement Type: | Village |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Podlaskie |
| Subdivision Type2: | County |
| Subdivision Name2: | Sokółka |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Kuźnica |
| Coordinates: | 53.5667°N 58°W |
| Pushpin Map: | Poland |
| Pushpin Label Position: | bottom |
Długosielce is a village in the administrative district of Gmina Kuźnica, within Sokółka County, Podlaskie Voivodeship, in north-eastern Poland, close to the border with Belarus.[1] It lies approximately 8km (05miles) north-west of Kuźnica, 200NaN0 north of Sokółka, and 580NaN0 north-east of the regional capital Białystok.