Margesson is a surname. Notable people with the surname include:
Peter Somerset Margesson Judd DL (born 1949), the former Dean of Chelmsford David Margesson, 1st Viscount Margesson PC (1890–1965), British Conservative politician Viscount Margesson, a title in the Peerage of the United Kingdom
See also Margon (disambiguation) Marson Masson (disambiguation)