Ostrovnoy, Murmansk Oblast
| Ostrovnoy Островной | |
|---|---|
| View of Ostrovnoy | |
| Location of Ostrovnoy | |
| Coordinates: 68°03′N 39°30′E / 68.050°N 39.500°E | |
| Country | Russia | 
| Federal subject | Murmansk Oblast | 
| Founded | 1981 | 
| Government | |
| • Mayor | Gennady Chistopashin | 
| Elevation | 10 m (30 ft) | 
| Population | |
|  • Total | 2,171 | 
| • Subordinated to | closed administrative-territorial formation of Ostrovnoy | 
| • Capital of | closed administrative-territorial formation of Ostrovnoy | 
| • Urban okrug | Ostrovnoy Urban Okrug | 
| • Capital of | Ostrovnoy Urban Okrug | 
| Time zone | UTC+3 (MSK ) | 
| Postal code(s) | 184640 | 
| Dialing code(s) | +7 81558 | 
| OKTMO ID | 47731000001 | 
| Website | www | 
Ostrovnoy (Russian: Островно́й), previously known as Murmansk-140 (Му́рманск-140), is a closed town in Murmansk Oblast, Russia. As of the 2010 Census, its population was 2,171; down from 5,032 recorded in the 2002 Census.