| En Name: | Knyazhaya Guba |
| Ru Name: | Княжая Губа |
| Map Label Position: | right |
| Coordinates: | 66.8667°N 32.3864°W |
| Federal Subject: | Murmansk Oblast |
| Federal Subject Ref: | [1] |
| Adm District Jur: | Kandalakshskiy District |
| Inhabloc Cat: | Rural locality |
| Inhabloc Type: | Selo |
| Pop 2010Census: | 127 |
| Pop 2010Census Ref: | [2] |
| Established Title: | Founded |
| Postal Codes: | 184020 |
| Postal Codes Ref: | [3] |
| Dialing Codes: | 81533 |
| Dialing Codes Ref: | [4] |
Knyazhaya Guba (Russian: Княжа́я Губа́, Finnish: Knäsöi) is a rural locality (a Selo) in Kandalakshskiy District of Murmansk Oblast, Russia. The village is located beyond the Arctic Circle, on the Kola Peninsula. It is 53 m above sea level.