Georgios Papandreou (Greek: Γεώργιος Παπανδρέου, Geórgios Papandréou; 13 February 1888 – 1 November 1968) was a Greek politician, the founder of the Papandreou political dynasty. He served three terms as the prime minister of Greece (1944–1945, 1963, 1964–1965). He was also deputy prime minister from 1950 to 1952, in the governments of Nikolaos Plastiras and Sofoklis Venizelos. He served numerous times as a cabinet minister, starting in 1923, in a political career that spanned more than five decades.
After studying law in Athens and political science in Berlin, Papandreou enlisted as a volunteer in the First Balkan War. He first run for political office in the 1920 national elections and was a principal member of the 11 September 1922 Revolution that overthrew King Constantine I. Thereafter, he became a prominent Liberal politician, surviving an assassination attempt in 1921 and being imprisoned by Theodoros Pangalos's dictatorship in 1925. After having briefly attained ministerial experience at the start of the Second Republic, Eleftherios Venizelos elevated him to the ministries of Education and Transport in 1930 and 1933 respectively, overseeing the construction of over three thousand schools amidst the Greek refugee crisis. He was again arrested and exiled in 1938 by the 4th of August Regime, remaining in exile for four years.