Koyuk
- Country: United States
- State: Alaska
- Population: 369 (2016)
- Latitude: 64° 55.9' N (64.93194°)
- Longitude: 161° 9.4' W (-161.15694°)
- Elevation: 8 m/28 ft. above sea level
- Time zone: America/Anchorage (UTC -09:00); DST observed (UTC -08:00)
- Alternate names: Inglestat, Kangekosook, Kangekosuk, Kanguksuk, Kangusuk, Konyukmute, Kuuyuk, Kuyuk Kvienkhakg-miut, Kvynkhakg-myut, Norton Bay Station