| Official Name: | Chaman Bid |
| Native Name: | چمن بيد |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | North Khorasan |
| Subdivision Type2: | County |
| Subdivision Name2: | Maneh and Samalqan |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Samalqan |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Almeh |
| Population As Of: | 2006 |
| Population Total: | 1,393 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 37.4297°N 56.5506°W |
Chaman-e-Bid (Persian: چمن بيد, also Romanized as Chaman Bīd, Chaman Bīd, and Chaman Bid) is a village in Almeh Rural District, Samalqan District, Maneh and Samalqan County, North Khorasan Province, Iran. At the 2006 census, its population was 1,393, in 349 families.