Semyonovsky (masculine), Semyonovskaya (feminine), or Semyonovskoye (neuter) may refer to:

• Semyonovsky District, former district of Nizhny Novgorod Oblast, Russia
• Semyonovsky Urban Okrug, a municipal formation of Nizhny Novgorod Oblast, Russia, which the town of Semyonov is incorporated as
• Semyonovsky Municipal Okrug, a municipal okrug of Admiralteysky District of St. Petersburg, Russia
• Semyonovsky (rural locality) (Semyonovskaya, Semyonovskoye), name of several rural localities in Russia
• Semyonovskaya (Moscow Metro), a station of the Moscow Metro, Moscow, Russia
• Semyonovsky Island
• Semyonovsky Regiment, a guards regiment in the Imperial Russian Army

This disambiguation page lists articles associated with the title Semyonovsky.
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