Nykyfor Hryhoriv

Otaman

Nykyfor Hryhoriv
Otaman; Nykyfor Hryhoriv
	Hryhoriev in 1919
Native name	Никифор Григор'ів
Birth name	Nychypir Oleksandrovych Servetnyk
Born	21 February 1884; Dunaivtsi, Russian Empire (now Ukraine)
Died	27 July 1919 (aged 35); Sentove, Ukrainian People's Republic
Allegiance	Russian Empire (1904–1917); Ukrainian People's Republic (1917–1918, 1918–1919); Ukrainian State (1918); Ukrainian SSR (February–May 1919); Borotbists (May–July 1919);
Service	Imperial Russian Army (1910–1917); Ukrainian People's Army (1917–1919); Ukrainian Soviet Army (February–May 1919); Peasant Division (May–July 1919);
Years of service	1904–1919
Rank	Ensign (1914); Staff Captain (1917); Lieutenant colonel (1917–1919); Division commander (1919);
Commands	56th Zhytomyr Infantry Regiment (1917); Ukrainian Kherson Division (1917–1919); 1st Trans-Dnepr Brigade (February–April 1919); 6th Ukrainian Soviet Division (April–May 1919); Peasant Division (May–July 1919);
Battles / wars	Russo-Japanese War; World War I Eastern Front; ; Ukrainian War of Independence 1919 Soviet invasion of Ukraine; Southern Russia Intervention; Hryhoriv Uprising; ;

Nykyfor Oleksandrovych Hryhoriv (or Grigoryev, real surname Servetnyk; 21 February [O.S. 9 February] 1884 – 27 July 1919) was a Ukrainian military leader noted for repeatedly switching sides during the Ukrainian War of Independence and Soviet-Ukrainian war. He is today considered one of the most influential rebel leaders of the Otamanshchyna phenomenon.