Ranulph is a masculine given name of Norman origin.
Ranulph is a composite name, from "Ran-," which comes from the Old Norse "rann" ("house") or Germanic "ragn" ("advice" or "power"), with "-ulf," from the Old Norse word "úlfr" ("wolf"), cognate with Danish "ulv," Icelandic "úlfur," Swedish "ulv," Norwegian "ulv," and Faroese "úlvur."
Famous people with the name Ranulph include:
Ranulph Bacon QPM (1906–1988), British police officerRanulph Brito or Le Breton (died 1246), canon of St. Paul'sRanulph Crewe (1558–1646), English judge and Chief Justice of the King’s BenchRanulph de Mortimer (bef. 1070 to c. 1104) of Mortemer-sur-Eaulne, a Marcher Lord from the Montgomery lands in the Welsh MarchesRanulph Fiennes, OBE (born 1944), British adventurer and holder of several endurance recordsRanulph Glanville (born 1946), British freelance researcher and theoretician in both architecture and cyberneticsRobert Ranulph Marett (1866–1943), British ethnologist from JerseyJohn Ranulph Vincent, Dean of Bloemfontein, in South Africa, from 1892, and afterwards of Grahamstown, 1912–1914