Charles Alexander Robinson Jr. (March 30, 1900 – February 23, 1965) was an American classical scholar. The son of Princeton classics professor , he graduated from Princeton in 1922. He spent post-graduate years at the American Academy in Rome, where he met Celia Sachs, daughter of art historian Paul J. Sachs. Robinson later became a professor at Brown University. Some of his books are: Alexander the Great, Ancient History 1967 (used as a textbook in many colleges for some time), The Spring of Civilization, Athens in the Age of Pericles, and Hellenic History, which he wrote with G. W. Botsford.