| Sepno | |
| Settlement Type: | Village |
| Total Type: | |
| Coordinates: | 52.5542°N 16.7756°W |
| Pushpin Map: | Poland |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Greater Poland |
| Subdivision Type2: | County |
| Subdivision Name2: | Oborniki |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Oborniki |
Sepno is a village in the administrative district of Gmina Oborniki, within Oborniki County, Greater Poland Voivodeship, in west-central Poland.[1]