| Jacnia | |
| Settlement Type: | Village |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Lublin |
| Subdivision Type2: | County |
| Subdivision Name2: | Zamość |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Adamów |
| Coordinates: | 50.5739°N 23.1731°W |
| Pushpin Map: | Poland |
| Pushpin Label Position: | bottom |
| Population Total: | 560 |
Jacnia is a village in the administrative district of Gmina Adamów, within Zamość County, Lublin Voivodeship, in eastern Poland. It lies approximately 3km (02miles) south-east of Adamów, 180NaN0 south of Zamość, and 860NaN0 south-east of the regional capital Lublin.[1]