| Osiek | |
| Settlement Type: | Village |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Greater Poland |
| Subdivision Type2: | County |
| Subdivision Name2: | Kościan |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Kościan |
| Coordinates: | 52.0108°N 16.7444°W |
| Pushpin Map: | Poland |
| Pushpin Label Position: | right |
| Population Total: | 178 |
Osiek is a village in the administrative district of Gmina Kościan, within Kościan County, Greater Poland Voivodeship, in west-central Poland.[1] It lies approximately 11km (07miles) south-east of Kościan and 450NaN0 south of the regional capital Poznań.