Charles Rumford Walker Jr. (July 31, 1894 – November 26, 1974) was an American historian, political scientist, and novelist.
He was the son of Francis Sheafe and Charles Rumford Walkerborn, a physician and politician.
He graduated from Yale University in 1916 and served in the United States Army during World War I.
One of his most successful books was American City: Rank and File View (1937).
He also wrote Steel: The Diary of a Furnace Worker and Bread and Fire: A Novel.