Chagan-Uzun
| Chagan-Uzun Чаган-Узун | |
|---|---|
| Selo | |
| Coordinates: 50°06′N 88°21′E / 50.100°N 88.350°E | |
| Country | Russia | 
| Region | Altai Republic | 
| District | Kosh-Agachsky District | 
| Time zone | UTC+7:00 | 
Chagan-Uzun (Russian: Чаган-Узун; Altay: Чаган-Узун, Çagan-Uzun) is a rural locality (a selo) in Kosh-Agachsky District, the Altai Republic, Russia. The population was 439 as of 2016. There are 5 streets.