Orto-Tokoy Reservoir or Orto-Tokoi Reservoir (), is a reservoir of the Chu River, located in Kochkor District of Naryn Region of Kyrgyzstan. It has a surface area of 24 km 2 and a maximum volume of 470 × 106 meters 3.

See also Kasan-Sai Reservoir (formerly called the Orto-Tokoy Reservoir)

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