| Dębsko-Ostoja | |
| Settlement Type: | Village |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Greater Poland |
| Subdivision Type2: | County |
| Subdivision Name2: | Kalisz |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Koźminek |
| Coordinates: | 51.8136°N 18.355°W |
| Pushpin Map: | Poland |
Dębsko-Ostoja is a village in the administrative district of Gmina Koźminek, within Kalisz County, Greater Poland Voivodeship, in west-central Poland.[1]