Vasyl Sydor (Ukrainian: Василь Сидор); born in Spasiv (Спасів), 24 February 1910; died 14 April 1949 in Rozhniativ Raion – colonel of the Ukrainian Insurgent Army (UPA), political activist, soldier of the Nachtigall Battalion, commandant of Sotnia 201 Schutzmannschaft auxiliary police, vice-commander of UPA and leader of UPA-West for Eastern Galicia during World War II. Sydor was killed in combat with Soviet troops in the Limnytsia River Valley.