| Chaf-e Pain | |
| Native Name: | Persian: چاف پائين |
| Native Name Lang: | fa |
| Settlement Type: | Former Village |
| Pushpin Map: | Iran |
| Coordinates Footnotes: | [1] |
| Subdivision Type: | Country |
| Subdivision Name: | Iran |
| Subdivision Type1: | Province |
| Subdivision Name1: | Gilan |
| Subdivision Type2: | County |
| Subdivision Name2: | Langarud |
| Subdivision Type3: | District |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Chaf |
| Unit Pref: | Metric |
| Population As Of: | 2006 |
| Population Total: | 2909 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
Chaf-e Pain (Persian: چاف پائين) was a village in, and former capital of, Chaf Rural District[2] of the Central District of Langarud County, Gilan province, Iran.
At the time of the 2006 National Census, the village's population was 2,909 in 866 households.[3]
After the census, the villages of Chaf-e Bala, Chaf-e Pain, Chamkhaleh, Galesh Kolam, Hoseynabad-e Chaf, Kamal ol Din Poshteh, Mian Mahalleh-ye Pap Kiadeh, Pain Pap Kiadeh, Palat Kaleh, Pir Poshteh, Radar Kumeh, Soltan Moradi, Tappeh, and Tazehabad-e Chaf merged to form the new city of Chaf and Chamkhaleh.[4]