| Gremikha Bay | |
| Pushpin Map: | Russia Murmansk Oblast |
| Location: | Northeastern Kola Peninsula |
| Coords: | 68.0667°N 72°W[1] |
| Type: | Bay |
| Inflow: | Barents Sea |
| Cities: | Ostrovnoy, Murmansk Oblast, Russia |
Gremikha Bay (Russian: Губа Гремиха) is a bay on the northeastern portion of the Kola Peninsula in the far northwest of Russia, near the closed town of Ostrovnoy (which was formerly known as Gremikha),[2] in the Murmansk Oblast.