| Official Name: | Potochnitsa |
| Native Name: | Поточница Adaköy |
| 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: | Krumovgrad |
| Population As Of: | 2021 |
| Population Total: | 230[1] |
| Timezone: | EET |
| Utc Offset: | +2 |
| Timezone Dst: | EEST |
| Utc Offset Dst: | +3 |
| Coordinates: | 41.6083°N 25.675°W |
| Elevation M: | 181 |
Potochnitsa is a village in Krumovgrad Municipality, Kardzhali Province, southern Bulgaria. The village is a Turkish-origin settlement and is referred to as Ada or Adaköy in local Turkish.[2]