| Uy | |
| Subdivision Type1: | Country |
| Subdivision Name1: | Russia |
| Subdivision Type3: | Region |
| Subdivision Name3: | Novosibirsk Oblast Omsk Oblast |
| Length: | 387km (240miles) |
| Mouth: | Irtysh |
| Mouth Coordinates: | 57.0897°N 74.1736°W |
| Basin Size: | 6920km2 |
The Uy is a river in Novosibirsk and Omsk Oblasts in Russia. The Uy is a right tributary of the Irtysh. Its length is 387km (240miles), and it drains a basin of 6920km2. The climate in its basin is mainly snowy, and there is flooding from April to June.
Krapivka (26 km), Kargachi (35 km), Boborovka (55 km), Shchelkanovka (58 km), Bobrovka (68 km), Medvedevka (71 km), Yermakovka (80 km), Kitap (99 km), Unarka (104 km), Intsiss (123 km), Urmanka (134 km), Bolgun (144 km), Uchug (149 km), Shaitanka (158 km), Tereul (197 km), Kainsass (207 km), Stanovaya (217 km), Tuzovka (217 km), Maly Kainsass (230 km), Kainsass (236 km), Keizess (243 km), Shaitanka (256 km), Kalantsass (271 km), Prygan (285 km), Tunguzka (287 km), Iksashka (299 km), Kuitra (309 km), Taitas (324 km), Salym (356 km), Razvily (360 km).[1]