List of Famous people who died in 1980

Almer Stillwell "Mike" Monroney was a Democratic Party politician from Oklahoma. He represented Oklahoma's 5th congressional district in the United States House of Representatives from 1939 until 1951, and represented Oklahoma in the United States Senate from 1951 until 1969.

Sir John McEwen, was an Australian politician who served as the 18th Prime Minister of Australia, holding office from 19 December 1967 to 10 January 1968 in a caretaker capacity after the disappearance of Harold Holt. He was the leader of the Country Party from 1958 to 1971.

Constantine Falkland Cary Smythe, MC was a Canadian businessman, soldier and sportsman in ice hockey and horse racing. He is best known as the principal owner of the Toronto Maple Leafs of the National Hockey League (NHL) from 1927 to 1961 and as the builder of Maple Leaf Gardens. As owner of the Leafs during numerous championship years, his name appears on the Stanley Cup eight times: 1932, 1942, 1945, 1947, 1948, 1949, 1951 and 1962.

Diego Jesús Jiménez de Cisneros Bermúdez was a Cuban-Venezuelan businessman. He founded Grupo Cisneros.