| Official Name: | Chaman Jafar Beyg |
| Native Name: | چمن جعفربيگ |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Lorestan |
| Subdivision Type2: | County |
| Subdivision Name2: | Delfan |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Kakavand |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Kakavand-e Sharqi |
| Population As Of: | 2006 |
| Population Total: | 56 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 34.3486°N 47.7472°W |
Chaman Jafar Beyg (fa|چمن جعفربيگ, also Romanized as Chaman Ja‘far Beyg and Chamanī-ye Ja‘far Beyk; also known as Chaman-e Ja‘far, Chaman-e Ja‘far Beyg-e Soflá, Chaman Ja‘far, and Chaman Ja‘far Beyg-e Pā’īn) is a village in Kakavand-e Sharqi Rural District, Kakavand District, Delfan County, Lorestan Province, Iran. At the 2006 census, its population was 56, in 12 families.