Novorossiya was a historical region in the Russian Empire in the Southeastern Ukraine and the European part of modern Russia.

Novorossiya or New Russia may also refer to:

• New Russia (trading post), former Russian fur trading post on Yakutat Bay, Alaska in Russian America
• New Russia Township, Lorain County, Ohio
• Novorossiya (confederation), proposed confederation of separatist entities in Ukraine
  • New Russia Party, political party in Southeastern Ukraine
• Novorossiya Governorate, in the aforementioned historical region in Russian Empire
• New Russia, hamlet south of Elizabethtown, New York
• Novorossiya (rural locality), rural locality in Primorsky Krai, Russia
• Novaya Russia, fictional civilization in Empire Earth