George Washburn (March 1, 1833 - February 15, 1915) was an American educator, Christian missionary, and second president of Robert College.He initially went to Constantinople as the treasurer of the American Board of Commissioners for Foreign Missions, an early American Christian missionary organization and, in 1859, married Henrietta Loraine, the daughter of Robert College president Cyrus Hamlin. Washburn returned to the Andover Seminary to complete his education in 1862, and was ordained as a Congregational minister the next year. Being appointed as a missionary for the American Board of Commissioners in Constantinople, he returned to the city, and subsequently became professor of philosophy in Robert College.