| Official Name: | Koschagyl |
| Native Name: | Қосшағыл قوسشاعىل |
| Pushpin Map: | Kazakhstan |
| Pushpin Mapsize: | 300 |
| Subdivision Type: | Country |
| Subdivision Name: |  Kazakhstan |
| Subdivision Type1: | Region |
| Subdivision Name1: | Atyrau |
| Timezone: | West Kazakhstan Time |
| Utc Offset: | +5 |
| Utc Offset Dst: | +5 |
| Coordinates: | 46.8458°N 53.8047°W |
| Elevation M: | -24 |
Koschagyl, also known as Qosshaghyl,[1] (Қосшағыл, Qosşağyl, قوسشاعىل) is a town in Atyrau Region, southwest Kazakhstan. It lies at an altitude of 24m (79feet) below sea level.