| Chir | |
| Map: | Don basin.png |
| Subdivision Type1: | Country |
| Subdivision Name1: | Russia |
| Length: | 317km (197miles) |
| Source1 Coordinates: | 49.3953°N 41.1522°W |
| Mouth: | Don |
| Mouth Location: | Tsimlyansk Reservoir |
| Mouth Coordinates: | 48.439°N 43.084°W |
| Basin Size: | 9580km2 |
The Chir (ru|Чир) is a river in Rostov and Volgograd oblasts of Russia. It is a right tributary of the Don, and is 317km (197miles) long, with a drainage basin of 9580km2.[1]