Mykola Fedorovych Sumtsov (Ukrainian: Микола Федорович Сумцов) or Nikolai Fyodorovich Sumtsov (Russian: Николай Фёдорович Сумцов, 18 April 1854, Saint Petersburg, Russian Empire – 12 September 1922 Kharkiv [Kharkov], Ukrainian SSR, USSR), sometimes spelled Sumcov, was an ethnographer, folklorist, art historian, literary scholar, educator and museum expert, who flourished in the Russian Empire, Ukrainian People's Republic, and Soviet Ukraine. Sumtsov was a champion and defender of the culture and language of Ukraine in both academic and popular realms, and contributed to a systematic history of