Sir Edwin McCarthy CBE (30 March 1896 – 4 September 1980) was a senior Australian public servant and diplomat.

He was a prominent senior trade official, including as head of the Department of Commerce and Agriculture between 1945 and 1950.

[4] His primary expertise was grain commodity matters, and he devised the Australian wheat price stabilisation scheme after World War II.

[6] In 1962, McCarthy was appointed Head of the Australian Permanent Mission to the European Atomic Energy Community in Brussels.

[8] McCarthy was appointed a Commander of the Order of the British Empire in June 1952, while serving as Deputy High Commissioner in London.