| Official Name: | Gavahan |
| Native Name: | گاواهن |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | East Azerbaijan |
| Subdivision Type2: | County |
| Subdivision Name2: | Khoda Afarin |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Keyvan |
| Population As Of: | 2006 |
| Population Total: | 82 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 39.0386°N 47.0128°W |
Gavahan (Persian: گاواهن, also Romanized as Gāvāhan; also known as Kāvāhīn) is a village in Keyvan Rural District, in the Central District of Khoda Afarin County, East Azerbaijan Province, Iran. At the 2006 census, its population was 82, in 19 families.
In the wake of the White Revolution (early 1960s) a clan of the Mohammad Khanlu tribe, comprising 50 households, used Gavahan as their winter quarters.[1]