| Official Name: | Deh-e Seyyed Ahmad |
| Native Name: | ده سيداحمد |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Khuzestan |
| Subdivision Type2: | County |
| Subdivision Name2: | Dezful |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Sardasht |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Ahmadfedaleh |
| Population As Of: | 2006 |
| Population Total: | 21 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 32.3667°N 49.6333°W |
Deh-e Seyyed Ahmad (fa|ده سيداحمد, also Romanized as Deh-e Seyyed Aḩmad; also known as Deh-e Seyyed) is a village in Ahmadfedaleh Rural District, Sardasht District, Dezful County, Khuzestan Province, Iran. At the 2006 census, its population was 21, in 4 families.