| En Name: | Severomorsk-3 |
| Ru Name: | Североморск-3 |
| Coordinates: | 68.9167°N 78°W |
| Map Label Position: | bottom |
| Federal Subject: | Murmansk Oblast |
| Adm City Jur: | closed administrative-territorial formation of Severomorsk |
| Inhabloc Cat: | Rural locality |
| Inhabloc Type: | Inhabited locality |
| Urban Okrug Jur: | Severomorsk Urban Okrug |
| Urban Okrug Jur Ref: | [1] |
| Pop 2010Census: | 2608 |
| Established Title: | ca. 1951 |
| Postal Codes: | 184676 |
| Dialing Codes: | 81537 |
Severomorsk-3 (Russian: Североморск-3) is a rural locality (an inhabited locality) in administrative jurisdiction of the closed administrative-territorial formation of Severomorsk in Murmansk Oblast, Russia,[2] located on the Srednyaya River, 22km (14miles) southeast of Severomorsk proper. As of the 2010 Census, its population was 2,608.[3]
Severomorsk-3 Air Base and ZEVS are located next to the settlement.
It was founded as a work settlement around 1951.