Fuyun County () as the official romanized name, also transliterated from Uyghur as Koktokay County (; ; ), is a county situated in the Xinjiang Uyghur Autonomous Region and is under the administration of the Altay Prefecture.
Fuyun County, also known as Koktokay County, is a part of the Xinjiang Uyghur Autonomous Region and falls under the jurisdiction of Altay Prefecture.