| Trójnia | |
| Settlement Type: | Village |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Lublin |
| Subdivision Type2: | County |
| Subdivision Name2: | Lubartów |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Lubartów |
| Coordinates: | 51.5333°N 57°W |
| Pushpin Map: | Poland |
| Pushpin Label Position: | bottom |
Trójnia is a village in the administrative district of Gmina Lubartów, within Lubartów County, Lublin Voivodeship, in eastern Poland.[1] It lies approximately 8km (05miles) north of Lubartów and 320NaN0 north of the regional capital Lublin.