Ross Campbell, OC, DSC (November 4, 1918 – August 15, 2007) was a Canadian Diplomat, working as a member of the Canadian External Affairs Department.
He held diplomatic posts throughout the world including Norway, Denmark, and Turkey, and served as Canada's Ambassador to Yugoslavia, Algeria, Korea, and Japan.
Between 1967 and 1972, Campbell served as ambassador to NATO.
Upon finishing diplomatic service Campbell was appointed chairman of Atomic Energy of Canada Limited.