| Jaczew | |
| 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: | Korytnica |
| Pushpin Map: | Poland |
| Coordinates: | 52.4667°N 71°W |
Jaczew is a village in the administrative district of Gmina Korytnica, within Węgrów County, Masovian Voivodeship, in east-central Poland.[1] It lies approximately 6km (04miles) north of Korytnica, 150NaN0 north-west of Węgrów, and 640NaN0 north-east of Warsaw.