Ostrovnoy

Ostrovnoy (Островно́й; masculine), Ostrovnaya (Островна́я; feminine), or Ostrovnoye (Островно́е; neuter) is a toponym:

Urban localities

 * Ostrovnoy, Murmansk Oblast, a closed town in Murmansk Oblast; 68.05°N, 39.5°W

Rural localities

 * Ostrovnoy, Primorsky Krai (or Ostrovnoye), a selo in Krasnoarmeysky District of Primorsky Krai
 * Ostrovnoye, Altai Krai, a selo in Ostrovnovsky Selsoviet of Mamontovsky District in Altai Krai; 52.7°N, 81.7°W
 * Ostrovnoye, Chukotka Autonomous Okrug, a selo in Bilibinsky District of Chukotka Autonomous Okrug
 * Ostrovnoye, Kaliningrad Oblast, a settlement in Timiryazevsky Rural Okrug of Slavsky District in Kaliningrad Oblast
 * Ostrovnoye, Lebyazhyevsky District, Kurgan Oblast, a village in Lisyevsky Selsoviet of Lebyazhyevsky District in Kurgan Oblast; 55.21667°N, 66.8°W
 * Ostrovnoye, Mishkinsky District, Kurgan Oblast (or Ostrovnaya), a selo in Ostrovninsky Selsoviet of Mishkinsky District in Kurgan Oblast; 55.35°N, 63.83333°W
 * Ostrovnoye, Orenburg Oblast, a selo in Novocherkassky Selsoviet of Saraktashsky District in Orenburg Oblast
 * Ostrovnoye, Sverdlovsk Oblast, a settlement under the administrative jurisdiction of the City of Beryozovsky in Sverdlovsk Oblast
 * Ostrovnaya, Omsk Oblast, a village in Khutorsky Rural Okrug of Tyukalinsky District in Omsk Oblast; 56.35°N, 72.15°W

Other

 * Bolshoye Ostrovnoye, a lake in Altai Krai
 * Mayak-Ostrovnoy (sometimes referred to as Ostrovnoy), a lighthouse classified as an inhabited locality in Lazovsky District of Primorsky Krai