Rear-Admiral William Moss Landymore, OBE, CD (31 July 1916 – 27 November 2008) was a Canadian naval officer.

During World War II, Landymore returned to the Royal Canadian Navy and served aboard destroyers in the Battle of the Atlantic, surviving two sinkings.

Landymore became embroiled in a public feud with the Minister of National Defence following the Unification of the Canadian Armed Forces and resigned as a result.

[3] Landymore was posted to the C-class destroyer HMCS Fraser in 1940 and survived her sinking after she collided with the cruiser HMS Calcutta in the Gironde estuary.

[4] Landymore was promoted to the substantive rank of lieutenant-commander on 1 May 1947[3] and served as gunnery officer aboard HMCS Uganda, where he earned a Mention in Despatches (MID).

[1] Landymore was promoted to the substantive rank of captain on 1 January 1953,[3] and was posted to a variety of stations throughout the remainder of the 1950s, including the position of Commander Canadian Destroyers Far East when he was appointed an Officer of the Most Excellent Order of the British Empire (OBE).

[1] In 1958 Landymore was given command of the light aircraft carrier HMCS Bonaventure,[1] the flagship of the east coast fleet.

In retirement, as chairman of the Board of Grace Hospital Halifax, Nova Scotia he was awarded the Salvation Army Cross of the Order of Distinguished Auxiliary Service.