This is a list of deaths in April 1966:
April 1
Karl Adam, German Catholic theologian (b. 1876)
Arnold Franz Brasz, American artist (b. 1888)
Sollie Cohen, American football player (b. 1907)
Dimitar Dimov, Bulgarian writer (b. 1909)
James G. Ellis, American musician and composer (b. 1880)
Flann O'Brien, Irish humorist (b. 1911)
April 2
Charles Brown, New Zealand rugby player (b. 1887)
C. S. Forester, English author (b. 1899)
Sverre Hope, Norwegian politician, MP (b. 1902)
April 3
Russel Crouse, American playwright and librettist (b. 1893)
Rocco DiSiglio, American boxer and mobster (b. 1939)
Battista Farina, Italian car designer (b. 1893)
April 4
Bernard Adeney, English painter and textile designer (b. 1878)
Georges de Crequi-Montfort, French sport shooter, competed in 1912 Olympics and 1924 Olympics (b. 1877)
Jimmy Daywalt, American race car driver (b. 1924)
Maurie De Araugo, Australian rules footballer (b. 1902)
April 5
Clarence Owen Cooper, Canadian politician, member of the Canadian House of Commons (b. 1899)
Harold Costley-White, English Anglican priest (b. 1878)
Sam Dodge, American baseball player (b. 1889)
Ragnar Ekberg, Swedish athlete, competed in the 1908 and 1912 Summer Olympics (b. 1886)
Slats Gill, American basketball coach (b. 1901)
Caleb V. Haynes, American Air Force general (b. 1895)
April 6
Père Azaïs, French missionary and archeologist (b. 1870)
Emil Brunner, Swiss Reformed theologian (b. 1889)
Harold Cotton, Australian cricketer (b. 1914)
Hans Engen, Norwegian diplomat (b. 1912)
Julia Faye, American actress (b. 1893)
Edna Flugrath, American actress (b. 1893)
Norman Hobbs, English cricketer (b. 1900)
April 7
Fred G. Aandahl, American politician, governor of North Dakota (1945–1951), member of U.S. House of Representative (1951–1953) (b. 1897)
Harry Cator, English recipient of the Victoria Cross (b. 1894)
George Cornelius, Australian rules footballer (b. 1874)
Basil Davenport, American writer (b. 1905)
Bert Dingley, American race car driver (b. 1885)
Walt Hansgen, American race car driver (b. 1919)
April 8
John W. Gates, American politician, member of New York State Assembly and New York State Senate (b. 1872)
Carl Schurz Vrooman, Assistant United States Secretary of Agriculture (b. 1872)
April 9
Ralph M. Brown, American politician and judge, speaker of the California State Assembly (b. 1908)
Barry Butler, English footballer (b. 1934)
April 10
Heinz Barwich, German nuclear physicist, worked on the Soviet atom bomb program (b. 1911)
Evelyn Waugh, English author (b. 1903)
April 11
A. B. Campbell, British naval officer and radio personality (b. 1881)
Roman Dzeneladze, Soviet wrestler, competed in the 1956 Summer Olympics (b. 1933)
Asmund Enger, Norwegian sports shooter, competed in the 1908 Summer Olympics (b. 1881)
Rufus Fitzgerald, American academic administrator, Chancellor of the University of Pittsburgh (b. 1890)
Paul Haugh, American politician, member of the Wisconsin State Assembly (b. 1896)
April 12
Milislav Demerec, Austria-Hungary-born American scientist (b. 1895)
Sir Waithilingam Duraiswamy, Ceylonese politician, speaker of the State Council of Ceylon (b. 1874)
Joe Harris, American baseball player (b. 1882)
April 13
Abdul Salam Arif, Iraqi military office and statesman, President of the Republic (b. 1921)
Bert Avery, New Zealand rugby league player (b. 1895)
Clellan Card, American radio personality (b. 1903)
Carlo Carrà, Italian painter (b. 1881)
Georges Duhamel, French author (b. 1884)
Lionel Edwards, British artist (b. 1878)
Billy Fitchford, English footballer and cricketer (b. 1892)
William S. Flynn, American politician, Governor of Rhode Island (b. 1885)
Gussie Gannon, American baseball player (b. 1873)
Charles Heslop, British actor (b. 1883)
April 14
John L. Barkley, United States Army Medal of Honor recipient of World War I (b. 1895)
Theodore William Chaundy, English mathematician (b. 1889)
April 15
Habibullah Bahar Chowdhury, Pakistani writer and politician, Health Minister of East Pakistan (b. 1906)
Joseph Crehan, American actor (b. 1883)
Lloyd Garrett, American vaudeville performer and composer (b. 1886)
William C. Giese, American educator and politician, member of the Wisconsin State Assembly (b. 1886)
Robert Leslie Harrison, Australian politician, member of the Queensland Legislative Assembly (b. 1903)
Rina De Liguoro, Italian actress (b. 1892)
April 16
Nandalal Bose, Indian painter (b. 1882)
Otto Buchinger, German physician (b. 1878)
Stafford Cassell, American football coach (b. 1909)
Sir Ernest Gowers, British writer (b. 1880)
Willie Haupt, American race car driver (b. 1885)
Sekō Higa, Okinawan martial arts teacher (b. 1898)
Gaspar Lefebvre, French religious (b. 1880)
April 17
Christiane Delyne, American-born French actress (b. 1902)
Petre V. Haneș, Romanian literary historian (b. 1879)
April 18
Ernest Bacon, British wrestler, competed in the 1924 Summer Olympics (b. 1893)
Maginel Wright Enright, American children's book illustrator (b. 1881)
Edward Fitzgerald, American ice hockey player, competed in the 1920 Olympics (b. 1891)
April 19
Gösta Åsbrink, Swedish gymnast and modern pentathlete; Olympic athlete: gold medal in the 1908 Summer Olympics, silver medal in the 1912 Summer Olympics (b. 1881)
Jack Cock, English footballer (b. 1893)
Brigadier Sir Neil Hamilton Fairley, Australian physician and army officer (b. 1891)
Javier Solís, Mexican singer (b. 1931)
April 20
Rufus Cole, American doctor (b. 1872)
Earle Cook, Canadian politician, member of the Legislative Assembly of Alberta (b. 1881)
Prince Frederick of Prussia, German-born British aristocrat, Grandson of the last Kaiser (b. 1911)
April 21
Sepp Dietrich, Nazi German military leader (b. 1892)
Tray Grinter, English cricketer (b. 1885)
Archibald Montgomerie, 17th Earl of Eglinton, Scottish nobleman (b. 1914)
April 22
Aslaug Blytt, Norwegian art historian, museum manager, politician (b. 1899)
Lou Finney, American baseball player (b. 1910)
Enrico Glori, Italian actor (b. 1901)
April 23
Naima Akef, Egyptian belly-dancer and actress (b. 1929)
Heinrich Dollwetzel, East German Major General (b. 1912)
George Ohsawa, Japanese diet founder (b. 1893)
April 24
Melecio Arranz, Filipino politician; member of the Senate (b. 1888)
Simon Chikovani, Georgian poet and Soviet politician, deputy to the Supreme Soviet (b. 1902)
J. Morris Foster, American actor (b. 1881)
April 25 – Art Decatur, American baseball player (b. 1894)
April 26
Earnest Sevier Cox, American Methodist preacher and political activist (b. 1880)
Bill Everson, Welsh rugby player (b. 1906)
Roberto Faz, Cuban singer (b. 1914)
Tom Florie, American soccer player (b. 1897)
April 27 – Kenzō Futaki, Japanese doctor (b. 1873)
April 28
Joseph Birds, English footballer (b. 1887)
Gilberto Govi, Italian actor (b. 1885)
April 29
Rolf Bergersen, Norwegian sport shooter, world champion and Olympic competitor (b. 1906)
Earle D. Chesney, American cartoonist (b. 1900)
William Eccles, British physicist and radio pioneer (b. 1875)
Catherine Fonteney, French actress (b. 1879)
Hugo Friend, Austro-Hungarian-born American jurist (b. 1882)
Tom Hales, Irish republican and politician, TD (b. 1892)
Eugene O'Brien, American actor (b. 1880)
April 30
Everett Case, American basketball coach (b. 1900)
Richard Fariña, American writer and folksinger (b. 1937)
Jan Cornelis Hofman, Dutch painter (b. 1889)
