The origin of the name Ralph is the town of Nairn in Naimshire, Scotland.

Ralph's last name derives from the old Norse name "Hrolfr" or "Hrothuwolfar" meaning "famous wolf."

Scottish surnames are characterized by great variation in pronunciation depending on the region, and because it often resulted from gaélico. In Scotland the most common type is the patronymic surname, and this was indicated by the prefix "Mac" which often indicate membership in a clan.

Some variations of this surname include: Ralph, Rolph, Rolfe and others.