Demidovsky ({{lang-ru|Демидовский}}; masculine), Demidovskaya ({{lang|ru|Демидовская}}; feminine), or Demidovskoye ({{lang|ru|Демидовское}}; neuter) is the name of several rural localities in Russia:

• Demidovsky, Republic of Bashkortostan, a khutor in Suslovsky Selsoviet of Birsky District in the Republic of Bashkortostan
• Demidovsky, Nizhny Novgorod Oblast, a pochinok in Gorevsky Selsoviet of Urensky District in Nizhny Novgorod Oblast
• Demidovsky, Rostov Oblast, a khutor in Tubyanskoye Rural Settlement of Verkhnedonskoy District in Rostov Oblast
• Demidovskoye, Arkhangelsk Oblast, a selo in Rovdinsky Selsoviet of Shenkursky District in Arkhangelsk Oblast
• Demidovskoye, Yaroslavl Oblast, a village in Volzhsky Rural Okrug of Rybinsky District in Yaroslavl Oblast
• Demidovskaya, Kargopolsky District, Arkhangelsk Oblast, a village in Kalitinsky Selsoviet of Kargopolsky District in Arkhangelsk Oblast
• Demidovskaya, Krasnoborsky District, Arkhangelsk Oblast, a village in Belosludsky Selsoviet of Krasnoborsky District in Arkhangelsk Oblast
• Demidovskaya, Velsky District, Arkhangelsk Oblast, a village in Puysky Selsoviet of Velsky District in Arkhangelsk Oblast
• Demidovskaya, Kirov Oblast, a village under the administrative jurisdiction of the Town of Luza in Luzsky District of Kirov Oblast; {{coord|60|38|N|47|25|E|display=inline}}
• Demidovskaya, Syamzhensky District, Vologda Oblast, a village in Dvinitsky Selsoviet of Syamzhensky District in Vologda Oblast
• Demidovskaya, Tarnogsky District, Vologda Oblast, a village in Shevdenitsky Selsoviet of Tarnogsky District in Vologda Oblast

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