William Desmond Anthony Pertwee (born July 21, 1926) Amersham, Buckinghamshire, is a British comedy actor. He is the cousin of former Doctor Who actor Jon Pertwee and nephew of the screenwriter and actor Roland Pertwee.

His most prominent role was that of ARP Warden Bert Hodges in Dad's Army, which he played in both the original television series and the radio remakes, as well as the radio sequel, It Sticks Out Half a Mile, set after the war, in which Hodges takes up a surprising new project.