| Official Name: | Deh Kohneh |
| Native Name: | Persian: ده كهنه |
| Settlement Type: | Former Village |
| Pushpin Map: | Iran |
| Subdivision Type: | Country |
| Subdivision Name: | Iran |
| Subdivision Type1: | Province |
| Subdivision Name1: | Bushehr |
| Subdivision Type2: | County |
| Subdivision Name2: | Tangestan |
| Subdivision Type3: | District |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Baghak |
| Population As Of: | 2006 |
| Population Total: | 230 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Coordinates: | 28.9197°N 51.1456°W |
| Coordinates Footnotes: | [1] |
Deh Kohneh (Persian: ده كهنه) was a village in Baghak Rural District of the Central District of Tangestan County, Bushehr province, Iran.
At the time of the 2006 National Census, the village's population was 230 in 51 households.[2]
In 2010, the villages of Ali Shams ol Din, Bagh-e Salem-e Jonubi, Bagh-e Salem-e Shomali, Deh-e Now, Deh Kohneh, Jovey, Mal Barik, Rameh Char, Shamshiri, and Tokhmari merged to form the village of Baghak-e Jonubi.[3]