Arthur Edward Blanchette (March 23, 1921 - August 30, 2003) was a Canadian diplomat. Born in Hartford, Connecticut, he graduated from the University of Montreal in 1940 and took his PhD in 1945 in Ottawa where he entered in the Latin-American section of the Wartime information board. In 1969 he was at the Direction between francophone countries. He was Chargé d'Affaires to Egypt then Acting High Commissioner to South Africa followed by Acting Commissioner at the ICSC for Cambodia, then Chargé d'Affaires a.i. to Greece before returning home to a post in the department of francophone countries at External Affairs in Ottawa. Then Ambassador and Permanent Observer to the Organization of American States then to Tunisia, and, after an extended impasse, non-resident ambassador to Libya.