| Ostrówek | |
| Settlement Type: | Village |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Masovian |
| Subdivision Type2: | County |
| Subdivision Name2: | Węgrów |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Łochów |
| Coordinates: | 52.55°N 67°W |
| Pushpin Map: | Poland |
| Pushpin Label Position: | bottom |
| Population Total: | 1700 |
| Population Footnotes: | (approx.) |
| Website: | http://www.ostrowek.fuks.pl |
| Timezone1: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Area Code: | +48 25 |
| Postal Code: | 07-132 |
| Postal Code Type: | Postal code |
| Registration Plate: | WWE |
| Iso Code: | POL |
Ostrówek is a village in the administrative district of Gmina Łochów, within Węgrów County, Masovian Voivodeship, in east-central Poland.[1] It lies approximately 5km (03miles) north-east of Łochów, 240NaN0 north-west of Węgrów, and 640NaN0 north-east of Warsaw.