Konstantinovsky (masculine), Konstantinovskaya (feminine), or Konstantinovskoye (neuter) may refer to:

• Konstantinovsky District, several districts in Russia
• Konstantinovskoye Urban Settlement, an administrative division and a municipal formation which the town of Konstantinovsk and five rural localities in Konstantinovsky District of Rostov Oblast, Russia are incorporated as
• Konstantinovsky (inhabited locality) (Konstantinovskaya, Konstantinovskoye), several inhabited localities in Russia
• Constantine Palace (Konstantinovsky dvorets), a palace in Strelna, Russia
• Konstantinovskoye Municipal Okrug, a municipal okrug of Krasnoselsky District in the federal city of St. Petersburg, Russia
• Vyacheslav Leonidovych Konstantinovsky is a Ukrainian businessman, politician, and former member of the Ukrainian parliament.