| Koktokay County | |
| Native Name: | |
| Other Name: | Fuyun |
| Settlement Type: | County |
| Pushpin Map: | China Xinjiang Northern#Xinjiang#China |
| Pushpin Label: | Fuyun |
| Pushpin Map Caption: | Location of the county seat in Xinjiang |
| Coordinates: | 47.2167°N 128°W |
| Subdivision Type: | Country |
| Subdivision Name: | China |
| Subdivision Type1: | Autonomous region |
| Subdivision Name1: | Xinjiang |
| Subdivision Type2: | Prefecture |
| Subdivision Name2: | Altay |
| Subdivision Type3: | Township-level divisions |
| Subdivision Name3: | 3 towns 6 townships 3 ethnic townships |
| Seat Type: | County seat |
| Seat: | Ku Ertix |
| Unit Pref: | Metric |
| Area Total Km2: | 32237 |
| Length Km: | 413 |
| Width Km: | 180 |
| Elevation Max M: | 3863 |
| Elevation Min M: | 430 |
| Demographics Type1: | Demographics |
| Demographics1 Title1: | Major ethnic groups |
| Population Footnotes: | [1] |
| Population Total: | 99,748 |
| Population As Of: | 2020 |
| Population Density Km2: | auto |
| Timezone1: | China Standard |
| Utc Offset1: | +8 |
| Postal Code Type: | Postal code |
| Postal Code: | 836100 |
| S: | 富蕴县 |
| T: | 富蘊縣 |
| P: | Fùyùn Xiàn |
| S2: | 可可托海县 |
| T2: | 可可託海縣 |
| P2: | Kěkětuōhǎi Xiàn |
| Uig: | كۆكتوقاي ناھىيىسى |
| Uly: | Köktoqay Nahiyisi |
| Uyy: | Kɵktoⱪay Naⱨiyisi |
| Sgs: | Köktokay Nahiyisi |
| Usy: | Көктоқай Наһийиси |
| Mong: | ᠬᠥᠬᠡᠲᠣᠬᠣᠢ ᠰᠢᠶᠠᠨ |
| Monr: | xöxetoꭓoi siyan |
| Mon: | Хөхтохой шянь |
| Order: | st |
| Lang1: | Kazakh |
| Lang1 Content: | Kazakh: كوكتوعاي اۋدانى Kazakh: Көктоғай ауданы |
Koktokay county, also known as Fuyun County (; ; Kazakh: Kazakh: كوكتوعاي اۋدانى), is a county of Altay Prefecture, in the Xinjiang Uyghur Autonomous Region of China. It has an area of 32,237 km2 with a population of 80,000. The seat of Fuyun County is in Ku Ertix Town. The Koktokay National Geopark is in Koktokay Town. The postal code of Fuyun County is 836100. The county is served by Fuyun Keketuohai Airport.
Fuyun County is divided into 5 towns, 5 townships.
| Name | Simplified Chinese | Hanyu Pinyin | Uyghur (UEY) | Uyghur Latin (ULY) | Kazakh (Arabic script) | Kazakh (Cyrillic script) | Administrative division code | |
|---|---|---|---|---|---|---|---|---|
| Towns | ||||||||
| Ku Ertix Town (Ku'ertix) | Chinese: 库额尔齐斯镇 | Uighur; Uyghur: قۇئېرتىش بازىرى | Kazakh: قۋەرتىس قالاشىعى | Kazakh: Қуертіс қалашығы | 654322100 | |||
| Koktokay Town | Chinese: 可可托海镇 | Uighur; Uyghur: كۆكتوقاي ناھىيىسى | Kazakh: كوكتوعاي قالاشىعى | Kazakh: Көктоғай қалашығы | 654322101 | |||
| Shakurti Town | Chinese: 恰库尔图镇 | Uighur; Uyghur: چاكۇرتى بازىرى | Kazakh: شاكۇرتى قالاشىعى | Kazakh: Шакүрті қалашығы | 654322102 | |||
| Karatüngke Town | Chinese: 喀拉通克镇 | Uighur; Uyghur: قارا تۇڭكې بازىرى | Kazakh: قارا توڭكە قالاشىعى | Kazakh: Қара Төңке қалашығы | 654322103 | |||
| Dure Town | Chinese: 杜热镇 | Uighur; Uyghur: دۈرە بازىرى | Kazakh: دۇرە قالاشىعى | Kazakh: Дүре қалашығы | 654322104 | |||
| Townships | ||||||||
| Turgun Township | Chinese: 吐尔洪乡 | Uighur; Uyghur: تۇرغۇن يېزىسى | Kazakh: تۇرعىن اۋىلى | Kazakh: Тұрғын ауылы | 654322200 | |||
| Kürti Township | Chinese: 库尔特乡 | Uighur; Uyghur: كۈرتى يېزىسى | Kazakh: كۇرتى اۋىلى | Kazakh: Күрті ауылы | 654322202 | |||
| Kizilshilik Township | Chinese: 克孜勒希力克乡 | Uighur; Uyghur: قىزىل شىلىك يېزىسى | Kazakh: قىزىل شىلىك اۋىلى | Kazakh: Қызыл шілік ауылы | 654322203 | |||
| Temeki Township | Chinese: 铁买克乡 | Uighur; Uyghur: تاماكا يېزىسى | Kazakh: تەمەكى اۋىلى | Kazakh: Темекi ауылы | 654322204 | |||
| Karabulgin Township | Chinese: 喀拉布勒根乡 | Uighur; Uyghur: قارابۇلغۇن يېزىسى | Kazakh: قارابۇلعىن اۋىلى | Kazakh: Қарабұлғын ауылы | 654322205 | |||