Tomsky (masculine), Tomskaya (feminine), or Tomskoye (neuter) may refer to:

• Mikhail Tomsky (1880–1936), Russian Bolshevik leader
• Nikolai Tomsky (1900–1984), Russian sculptor
• Tomsky District, a district of Tomsk Oblast, Russia
• Tomsky (inhabited locality) (Tomskaya, Tomskoye), several rural localities in Russia
• Tomsk Oblast (Tomskaya oblast), a federal subject of Russia