Sir James Cochran Stevenson Runciman (7 July 1903 – 1 November 2000), known as Steven Runciman, was an English historian best known for his three-volume A History of the Crusades.

David Walter Runciman, 4th Viscount Runciman of Doxford (born 1 March 1967), is an English academic and podcaster who until 2024 taught politics and history at the University of Cambridge, where he was Professor of Politics.

Walter Runciman, 1st Viscount Runciman of Doxford, (19 November 1870 – 14 November 1949), was a prominent Liberal and later National Liberal politician in the United Kingdom.