Ralph Henry Gabriel (1890 – 1987) was an American academic, historian, publisher, and editor. He taught history at Yale University for forty-three years (1915-1958) and served as chairman of the History Department (1931-1934). Gabriel also taught at the United States School of Military Government (1943-1946) and was active in the American Historical Association. He was the general editor of the Pageant of America series and the Library of Congress Series in American Civilization.