| Official Name: | Birinci Çağan |
| Pushpin Map: | Azerbaijan |
| Pushpin Mapsize: | 300 |
| Subdivision Type: | Country |
| Subdivision Name: |  Azerbaijan |
| Subdivision Type1: | Rayon |
| Subdivision Name1: | Shamakhi |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | Çağan |
| Timezone: | AZT |
| Utc Offset: | +4 |
| Utc Offset Dst: | +5 |
| Coordinates: | 40.7236°N 48.5606°W |
Birinci Çağan (also, Bash-Chagan, Chagan, and Chagan Pervoye) is a village in the Shamakhi Rayon of Azerbaijan. The village forms part of the municipality of Çağan.[1]