Malcolm James Campbell Templeton QSO (born 1924) is a former New Zealand Foreign Service officer, who held a number of senior positions, including that of permanent representative to the United Nations, and Deputy Secretary of Foreign Affairs under Secretary Merwyn Norrish.
He was a supporter of the Halt All Racist Tours HART movement which opposed New Zealand's sporting contact with South Africa during the apartheid era, and an opponent of French nuclear testing in the South Pacific.
The world needed another nuclear power like a hole in the head" - referring to the French nuclear testing at Moruroa atoll (recorded in interview as played in a BBC4 programme "Blowing Up Paradise: Liberty, Equality and Radioactivity
He is the author of a number of books and publications on New Zealand's foreign relations and defence.
In the 1997 Queen's Birthday Honours, Templeton was appointed a Companion of the Queen's Service Order for public services.
Templeton's twin brothers are veteran press gallery journalist Ian Templeton, and former diplomat and Minister Hugh Templeton.