| Gąsocin | |
| Settlement Type: | Village |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Masovian |
| Subdivision Type2: | County |
| Subdivision Name2: | Ciechanów |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Sońsk |
| Coordinates: | 52.7414°N 20.7131°W |
| Pushpin Map: | Poland |
| Pushpin Label Position: | bottom |
| Elevation M: | 112 |
| Population Total: | 1238 |
Gąsocin is a village in the administrative district of Gmina Sońsk, within Ciechanów County, Masovian Voivodeship, in east-central Poland.[1] It lies approximately 5km (03miles) south of Sońsk, 150NaN0 south of Ciechanów, and 620NaN0 north of Warsaw.