| Ostałówek | |
| Settlement Type: | Village |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Masovian |
| Subdivision Type2: | County |
| Subdivision Name2: | Szydłowiec |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Chlewiska |
| Coordinates: | 51.3°N 69°W |
| Pushpin Map: | Poland |
| Pushpin Label Position: | bottom |
| Population Total: | 336 |
Ostałówek is a village in the administrative district of Gmina Chlewiska, within Szydłowiec County, Masovian Voivodeship, in east-central Poland.[1] It lies approximately 8km (05miles) north-east of Chlewiska, 80NaN0 north of Szydłowiec, and 1030NaN0 south of Warsaw.