| Official Name: | Samakhun |
| Native Name: | سماخون |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Razavi Khorasan |
| Subdivision Type2: | County |
| Subdivision Name2: | Torbat-e Jam |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Nasrabad |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Karizan |
| Population As Of: | 2006 |
| Population Total: | 1,016 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 35.5233°N 60.315°W |
Samakhun (Persian: سماخون, also Romanized as Samākhūn; also known as Samākhon and Sīmākhūn) is a village in Karizan Rural District, Nasrabad District, Torbat-e Jam County, Razavi Khorasan Province, Iran. At the 2006 census, its population was 1,016, in 221 families.