Robert Roswell Palmer (January 11, 1909 – June 11, 2002), commonly known as R. R. Palmer, was a distinguished American historian at Princeton and Yale universities, who specialized in eighteenth-century France. His most influential work of scholarship, The Age of the Democratic Revolution: A Political History of Europe and America, 1760–1800 (1959 and 1964), examined an age of democratic revolution that swept the Atlantic civilization between 1760 and 1800. He was awarded the Bancroft Prize in History for the first volume. Palmer also achieved distinction as a history text writer.