| Kolyuchin Bay | |
|---|---|
| Колючинская губа (Russian) | |
  Kolyuchin Bay Location of Kolyuchin Bay in the Chukotka Autonomous Okrug | |
 | |
| Location | Far North |
| Coordinates | 66°50′N 174°24′W / 66.833°N 174.400°W |
| River sources | Ioniveyem and Ulyuveyem |
| Ocean/sea sources | Chukchi Sea |
| Basin countries | Russia |
| Max. length | 100 km (62 mi) |
| Max. width | 37 km (23 mi) |
| Average depth | 14 m (46 ft) |
Kolyuchin Bay (Russian: Колючинская губа; Kolyuchinskaya guba) is a large bay in the Chukchi Sea on the northern shore of the Chukotka Peninsula, Russia.
Administratively this bay belongs to the Chukotka Autonomous Okrug of the Russian Federation.