Ostrov () is the name of several inhabited localities in Russia.
Bryansk Oblast As of 2010, one rural locality in Bryansk Oblast bears this name: Ostrov, Bryansk Oblast, a village in Olsufyevsky Selsoviet of Zhukovsky District
Ivanovo Oblast As of 2010, two rural localities in Ivanovo Oblast bear this name: Ostrov, Komsomolsky District, Ivanovo Oblast, a village in Komsomolsky District Ostrov, Verkhnelandekhovsky District, Ivanovo Oblast, a village in Verkhnelandekhovsky District
Kaluga Oblast As of 2010, two rural localities in Kaluga Oblast bear this name: Ostrov, Zhizdrinsky District, Kaluga Oblast, a village in Zhizdrinsky District Ostrov, Zhukovsky District, Kaluga Oblast, a selo in Zhukovsky District
Republic of Karelia As of 2010, one rural locality in the Republic of Karelia bears this name: Ostrov, Republic of Karelia, a village in Pudozhsky District
Kirov Oblast As of 2010, three rural localities in Kirov Oblast bear this name: Ostrov, Kumensky District, Kirov Oblast, a village in Vichevsky Rural Okrug of Kumyonsky District Ostrov, Zarechensky Rural Okrug, Podosinovsky District, Kirov Oblast, a village in Zarechensky Rural Okrug of Podosinovsky District Ostrov, Podosinovets, Podosinovsky District, Kirov Oblast, a village under the administrative jurisdiction of the urban-type settlement of Podosinovets, Podosinovsky District
Leningrad Oblast As of 2010, eight rural localities in Leningrad Oblast bear this name: Ostrov, Bolshedvorskoye Settlement Municipal Formation, Boksitogorsky District, Leningrad Oblast, a village in Bolshedvorskoye Settlement Municipal Formation of Boksitogorsky District Ostrov, Radogoshchinskoye Settlement Municipal Formation, Boksitogorsky District, Leningrad Oblast, a village in Radogoshchinskoye Settlement Municipal Formation of Boksitogorsky District Ostrov, Gatchinsky District, Leningrad Oblast, a village under the administrative jurisdiction of Druzhnogorskoye Settlement Municipal Formation of Gatchinsky District Ostrov, Kirovsky District, Leningrad Oblast, a village in Sukhovskoye Settlement Municipal Formation of Kirovsky District Ostrov, Tikhvinsky District, Leningrad Oblast, a village in Melegezhskoye Settlement Municipal Formation of Tikhvinsky District Ostrov, Khvalovskoye Settlement Municipal Formation, Volkhovsky District, Leningrad Oblast, a village in Khvalovskoye Settlement Municipal Formation of Volkhovsky District Ostrov, Selivanovskoye Settlement Municipal Formation, Volkhovsky District, Leningrad Oblast, a village in Selivanovskoye Settlement Municipal Formation of Volkhovsky District Ostrov, Vyborgsky District, Leningrad Oblast, a logging depot settlement under the administrative jurisdiction of Kamennogorskoye Settlement Municipal Formation of Vyborgsky District
Moscow Oblast As of 2010, two rural localities in Moscow Oblast bear this name: Ostrov, Leninsky District, Moscow Oblast, a selo in Molokovskoye Rural Settlement of Leninsky District Ostrov, Taldomsky District, Moscow Oblast, a village in Yermolinskoye Rural Settlement of Taldomsky District
Novgorod Oblast As of 2010, eleven rural localities in Novgorod Oblast bear this name: Ostrov, Moykinskoye Settlement, Batetsky District, Novgorod Oblast, a village in Moykinskoye Settlement of Batetsky District Ostrov, Peredolskoye Settlement, Batetsky District, Novgorod Oblast, a village in Peredolskoye Settlement of Batetsky District Ostrov, Borovichsky District, Novgorod Oblast, a village in Zhelezkovskoye Settlement of Borovichsky District Ostrov, Demyansky District, Novgorod Oblast, a village in Polnovskoye Settlement of Demyansky District Ostrov, Khvoyninsky District, Novgorod Oblast, a village in Dvorishchenskoye Settlement of Khvoyninsky District Ostrov, Lyubytino, Lyubytinsky District, Novgorod Oblast, a village under the administrative jurisdiction of the urban-type settlement of Lyubytino, Lyubytinsky District Ostrov, Nebolchi, Lyubytinsky District, Novgorod Oblast, a village under the administrative jurisdiction of the urban-type settlement of Nebolchi, Lyubytinsky District Ostrov, Pestovsky District, Novgorod Oblast, a village in Bogoslovskoye Settlement of Pestovsky District Ostrov, Dubrovskoye Settlement, Soletsky District, Novgorod Oblast, a village in Dubrovskoye Settlement of Soletsky District Ostrov, Vybitskoye Settlement, Soletsky District, Novgorod Oblast, a village in Vybitskoye Settlement of Soletsky District Ostrov, Volotovsky District, Novgorod Oblast, a village in Slavitinskoye Settlement of Volotovsky District
Oryol Oblast As of 2010, three rural localities in Oryol Oblast bear this name: Ostrov, Kolpnyansky District, Oryol Oblast, a village in Yarishchensky Selsoviet of Kolpnyansky District Ostrov, Livensky District, Oryol Oblast, a selo in Ostrovskoy Selsoviet of Livensky District Ostrov, Maloarkhangelsky District, Oryol Oblast, a village in Podgorodnensky Selsoviet of Maloarkhangelsky District
Perm Krai As of 2010, one rural locality in Perm Krai bears this name: Ostrov, Perm Krai, a village in Yurlinsky District
Pskov Oblast As of 2010, nine inhabited localities in Pskov Oblast bear this name: Ostrov, Ostrovsky District, Pskov Oblast, a town in Ostrovsky District Ostrov, Bezhanitsky District, Pskov Oblast, a rural locality (a village) in Bezhanitsky District Ostrov, Gdovsky District, Pskov Oblast, a rural locality (a village) in Gdovsky District Ostrov (Artemovskaya Rural Settlement), Nevelsky District, Pskov Oblast, a rural locality (a village) in Nevelsky District; municipally, a part of Artemovskaya Rural Settlement of that district Ostrov (Plisskaya Rural Settlement), Nevelsky District, Pskov Oblast, a rural locality (a village) in Nevelsky District; municipally, a part of Plisskaya Rural Settlement of that district Ostrov, Novosokolnichesky District, Pskov Oblast, a rural locality (a village) in Novosokolnichesky District Ostrov, Plyussky District, Pskov Oblast, a rural locality (a village) in Plyussky District Ostrov, Pustoshkinsky District, Pskov Oblast, a rural locality (a village) in Pustoshkinsky District Ostrov, Strugo-Krasnensky District, Pskov Oblast, a rural locality (a village) in Strugo-Krasnensky District
Smolensk Oblast As of 2010, two rural localities in Smolensk Oblast bear this name: Ostrov, Roslavlsky District, Smolensk Oblast, a village in Ivanovskoye Rural Settlement of Roslavlsky District Ostrov, Smolensky District, Smolensk Oblast, a village in Talashkinskoye Rural Settlement of Smolensky District
Tver Oblast As of 2010, eight rural localities in Tver Oblast bear this name: Ostrov, Firovsky District, Tver Oblast, a village in Firovsky District Ostrov, Kimrsky District, Tver Oblast, a village in Kimrsky District Ostrov, Krasnokholmsky District, Tver Oblast, a village in Krasnokholmsky District Ostrov, Rameshkovsky District, Tver Oblast, a village in Rameshkovsky District Ostrov, Toropetsky District, Tver Oblast, a village in Toropetsky District Ostrov, Udomelsky District, Tver Oblast, a village in Udomelsky District Ostrov, Vesyegonsky District, Tver Oblast, a village in Vesyegonsky District Ostrov, Vyshnevolotsky District, Tver Oblast, a village in Vyshnevolotsky District
Tyumen Oblast As of 2010, one rural locality in Tyumen Oblast bears this name: Ostrov, Tyumen Oblast, a village in Ivanovsky Rural Okrug of Uvatsky District
Vladimir Oblast As of 2010, one rural locality in Vladimir Oblast bears this name: Ostrov, Vladimir Oblast, a village in Kameshkovsky District
Volgograd Oblast As of 2010, one rural locality in Volgograd Oblast bears this name: Ostrov, Volgograd Oblast, a khutor in Kachalinsky Selsoviet of Surovikinsky District
Vologda Oblast As of 2010, nine rural localities in Vologda Oblast bear this name: Ostrov, Belozersky District, Vologda Oblast, a village in Gulinsky Selsoviet of Belozersky District Ostrov, Bolshedvorsky Selsoviet, Cherepovetsky District, Vologda Oblast, a village in Bolshedvorsky Selsoviet of Cherepovetsky District Ostrov, Nikolo-Ramensky Selsoviet, Cherepovetsky District, Vologda Oblast, a village in Nikolo-Ramensky Selsoviet of Cherepovetsky District Ostrov, Voskresensky Selsoviet, Cherepovetsky District, Vologda Oblast, a village in Voskresensky Selsoviet of Cherepovetsky District Ostrov, Sheksninsky District, Vologda Oblast, a village in Nikolsky Selsoviet of Sheksninsky District Ostrov, Persky Selsoviet, Ustyuzhensky District, Vologda Oblast, a village in Persky Selsoviet of Ustyuzhensky District Ostrov, Soshnevsky Selsoviet, Ustyuzhensky District, Vologda Oblast, a village in Soshnevsky Selsoviet of Ustyuzhensky District Ostrov, Vashkinsky District, Vologda Oblast, a village in Ostrovsky Selsoviet of Vashkinsky District Ostrov, Vytegorsky District, Vologda Oblast, a village in Tudozersky Selsoviet of Vytegorsky District
Yaroslavl Oblast As of 2010, two rural localities in Yaroslavl Oblast bear this name: Ostrov, Gavrilov-Yamsky District, Yaroslavl Oblast, a selo in Mitinsky Rural Okrug of Gavrilov-Yamsky District Ostrov, Rostovsky District, Yaroslavl Oblast, a village in Tatishchevsky Rural Okrug of Rostovsky District