| Gąsior | |
| Settlement Type: | Settlement |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Warmian-Masurian |
| Subdivision Type2: | County |
| Subdivision Name2: | Pisz |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Ruciane-Nida |
| Coordinates: | 53.7261°N 21.5506°W |
| Pushpin Map: | Poland |
| Pushpin Label Position: | bottom |
Gąsior is a settlement in the administrative district of Gmina Ruciane-Nida, within Pisz County, Warmian-Masurian Voivodeship, in northern Poland.[1] It lies approximately 10km (10miles) north of Ruciane-Nida, 210NaN0 north-west of Pisz, and 700NaN0 east of the regional capital Olsztyn.