List of Famous people who died in 1966

Julia Faye was an American actress of silent and sound films. She was known for her appearances in more than 30 Cecil B. DeMille productions. Her various roles ranged from maids and ingénues to vamps and queens.

Lorens Marmstedt, né Sigfrid Lorens Eriksson was a Swedish film producer. He produced 49 films between 1932 and 1965.

Léon Daum was a French mining engineer, company director and senior European administrator. He was a member of the High Authority of the European Coal and Steel Community from 1952 to 1959.

Seán Thomas O'Kelly, originally John T. O'Kelly, was an Irish Fianna Fáil politician who served as the second President of Ireland from June 1945 to June 1959. He also served as Tánaiste from 1937 to 1945, Minister for Finance from 1939 to 1945, Minister for Local Government and Public Health from 1932 to 1939, Vice-President of the Executive Council from 1932 to 1937 and Ceann Comhairle of Dáil Éireann from 1919 to 1921. He served as a Teachta Dála (TD) from 1918 to 1945.

Mari Susette Sandoz was a Nebraska novelist, biographer, lecturer, and teacher. She became one of the West's foremost writers, and wrote extensively about pioneer life and the Plains Indians. She received the Newbery Medal.

Michel Monet was the second son of Claude Monet and Camille Doncieux Monet.

Gordon Macdonald, 1st Baron Macdonald of Gwaenysgor was a British Labour Party politician and Newfoundland's final British governor as well as the last chairman of the Commission of Government serving from 1946 until the colony joined Confederation in 1949 and became a province of Canada.

Max Ilgner was a German industrialist. He was a member of the board of IG Farben and held the title Wehrwirtschaftsführer or war economy leader under the Nazi regime. After the war, he was convicted by the Allies of "spoliation and plunder", but released almost immediately, and continued his career as a political lobbyist and business executive, becoming chairman of a Swiss chemical company.