Wincenty Witos (vēntsĕn´tĬ vē´tôs), 1874–1945, Polish politician. The leader of the Polish Peasant party, he was premier three times (1920–21, 1923, 1926). Witos's government was overthrown by Piłsudski in the coup of 1926. Imprisoned (1930) with other opposition leaders, Witos later fled to Czechoslovakia but returned to Poland in 1939. He was again imprisoned during the German occupation.