| Sielinko-Osada | |
| Settlement Type: | Settlement |
| Total Type: | |
| Coordinates: | 52.2847°N 16.4033°W |
| Pushpin Map: | Poland |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Greater Poland |
| Subdivision Type2: | County |
| Subdivision Name2: | Nowy Tomyśl |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Opalenica |
Sielinko-Osada is a settlement in the administrative district of Gmina Opalenica, within Nowy Tomyśl County, Greater Poland Voivodeship, in west-central Poland.[1]