Ivanovsky (Russian: Ивановский; masculine), Ivanovskaya (Ивановская; feminine), or Ivanovskoye (Ивановское; neuter), are forms of a Russian adjective derived from the first name Ivan. It may refer to:

• Ivanovsky (surname) (feminine: Ivanovskaya), Russian surname

• Ivanovsky District, name of several districts in Russia
• Ivanovsky Municipal Okrug, a municipal okrug of Nevsky District of St. Petersburg, Russia
• Ivanovsky (rural locality) (Ivanovskaya, Ivanovskoye), name of several rural localities in Russia
• Ivanovo Oblast (Ivanovskaya oblast), a federal subject of Russia
• Ivanovskoye District, a district of Eastern Administrative Okrug, Moscow, Russia
• Ivanovsky Waterfall, a waterfall in Sochi National Park, Russia

• Ivanivske (disambiguation)
• Ivanovski (feminine: Ivanovska), Macedonian surname