| Olszewko | |
| Settlement Type: | Village |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Masovian |
| Subdivision Type2: | County |
| Subdivision Name2: | Żuromin |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Kuczbork-Osada |
| Pushpin Map: | Poland |
| Coordinates: | 53.05°N 22°W |
Olszewko is a village in the administrative district of Gmina Kuczbork-Osada, within Żuromin County, Masovian Voivodeship, in east-central Poland.[1] It lies approximately 4km (02miles) south of Kuczbork-Osada, 100NaN0 east of Żuromin, and 1140NaN0 north-west of Warsaw.