|Kichuy, Kiçü River|
|- location||Minnibayevo, Almetyevsky District|
|Lenino, Novosheshminsky District|
|Length||114 km (71 mi)|
|Basin size||1,330 km2 (510 sq mi)|
|- average||472 m3/s (16,700 cu ft/s) (maximum)|
The Kichuy (Russian: Кичуй) or Kiçü (Tatar: Cyrillic Кичү, Latin Kiçü; [kiˈɕy]) is a river in Tatarstan, Russian Federation, a right-bank tributary of the Sheshma River. It is 114 kilometres (71 mi), and its drainage basin covers 1,330 square kilometres (510 sq mi).
Major tributaries are the Butinka, Batraska, Chupayka, Yamashka, and Tetvelka. The maximal mineralization 400–71000 mg/l. The average sediment deposition at the river mouth per year is 127 millimetres (5.0 in). Drainage is regulated.