The Chatkal River (Russian: Чаткал) is a river of Jalal-Abad Province, Kyrgyzstan and Tashkent Province in Uzbekistan. It is a left tributary of the Chirciq River in the Syr Darya basin.
The length of the river is 223 kilometres (139 mi), with a basin area of 7,110 square kilometres (2,750 sq mi). It originates at the point where Chatkal Range adjoins Talas Ala-Too Range.
The average rate of water flow near the mouth is 122 cubic metres per second (4,300 cu ft/s), with a maximum 920 cubic metres per second (32,000 cu ft/s).
Coordinates: 41°35′08″N 70°05′57″E / 41.58556°N 70.09917°E