| Official Name: | Tarna |
| Settlement Type: | Village |
| Pushpin Map: | Bulgaria |
| Pushpin Label Position: | Location in Bulgaria |
| Subdivision Name: |  Bulgaria |
| Subdivision Type1: | Province |
| Subdivision Name1: | Kardzhali Province |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | Ardino |
| Area Total Km2: | 2.458 |
| Population As Of: | 2013 |
| Population Total: | 42 |
| Timezone: | EET |
| Utc Offset: | +2 |
| Timezone Dst: | EEST |
| Utc Offset Dst: | +3 |
| Coordinates: | 41.6658°N 25.1736°W |
Tarna (Bulgarian: Търна) is a village in Ardino Municipality, Kardzhali Province, southern-central Bulgaria. It covers an area of 2.458 square kilometres and as of 2013 had a population of 42 people.[1]