Raoul Charles Magrin-Vernerey, also known as Ralph Monclar (born 7 February 1892, died 3 June 1964) was a French officer and 2nd Inspector of the Foreign Legion who fought in World War I, World War II within the ranks of the Free French Forces and led the French Battalion in the Korean War.
He was also one of the first senior officers to respond to the Appeal of 18 June.