| Official Name: | Radeh-ye Seyhan |
| Native Name: | رده سيحان |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Khuzestan |
| Subdivision Type2: | County |
| Subdivision Name2: | Abadan |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Bahmanshir-e Jonubi |
| Population As Of: | 2006 |
| Population Total: | 537 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 30.2997°N 48.3894°W |
Radeh-ye Seyhan (Persian: رده سيحان, also Romanized as Radeh-ye Seyḩān; also known as Beyt-e Seyḩān, Radeh-ye Sobhān, Seyḩān, and Seyjān) is a village in Bahmanshir-e Jonubi Rural District, in the Central District of Abadan County, Khuzestan Province, Iran. At the 2006 census, its population was 537, in 92 families.