Viscount Margesson, of Rugby in the County of Warwick, is a title in the Peerage of the United Kingdom. It was created in 1942 for the Conservative politician David Margesson. As of 2010[update] the title is held by his son, the second Viscount, who succeeded in 1965.
The heir apparent is the present holder's son Major the Hon. Richard Francis David Margesson (b. 1960)