This is a list of deaths in October 1966:
October 1
Michael "Trigger Mike" Coppola, American mobster (b. 1900)
Donald S. Day, American reporter and collaborator with Nazi Germany (b. 1895)
Cyril Dumpleton, British politician, MP (b. 1897)
October 2
Egmont Arens, American publisher of literature and art, industrial designer, and commercial artist (b. 1889)
Jules Boedt, Belgian lawyer and politician (b. 1884)
Jumbo Brown, American baseball player (b. 1907)
October 3
George van den Bergh, Dutch law professor and amateur astronomer (b. 1890)
Teodors Bergs, Latvian chess master (b. 1902)
Raymond Evershed, 1st Baron Evershed, English judge (b. 1899)
Ivy Gibbs, English-born Australian and New Zealand writer (b. c. 1886)
Charles Hand, Hong Kong-born Australian politician, member of the Tasmanian House of Assembly (b. 1900)
George Heinz, Australian rules footballer (b. 1891)
October 4
Sherman Billingsley, American nightclub owner (the Stork Club) (b. 1896)
Oscar Cox, American lawyer and judge (b. 1905)
Pierre Dufaur de Gavardie, French flying ace of World War I (b. 1890)
Herbert Henley, Australian politician, member of the New South Wales Legislative Council (b. 1889)
October 5 – Korbinian Aigner, known as Apfelpfarrer ("apple pastor"), German Catholic priest and pomologist (b. 1885)
October 6
Sir George Abbiss OBE, British Chief Constable in the London Metropolitan Police (b. 1884)
Sir Alexander Carr-Saunders, English academic, Director of the London School of Economics (b. 1886)
Pierre Couderc, French screenwriter and actor (b. 1896)
Mitchell Fields, Romanian-born American sculptor (b. 1901)
Harry Hanson, American baseball player (b. 1896)
Eddie Harris, Australian rules footballer (b. 1879)
Bill Henderson, American baseball player (b. 1901)
October 7
Grigoris Asikis, Greek singer and songwriter of urban Greek music (b. 1890)
John Haire, Baron Haire of Whiteabbey, British politician, MP (b. 1908)
Johnny Kidd, English singer (b. 1935)
Smiley Lewis, African-American R&B musician (b. 1913)
October 8
Juan Batlle Planas, Spanish-born Argentine painter (b. 1911)
Célestin Freinet, French educational reformer (b. 1896)
October 9
Fedor Astakhov, Soviet Marshal of the aviation (b. 1892)
William Gage Brady, Jr., American banker, chairman of the National City Bank of New York (b. 1887)
October 10
Melville E. Abrams, American lawyer and politician from New York; member of the NY State Assembly (b. 1912)
Abraham Binder, American composer (b. 1895)
Kurt Bolender, German SS-man, operated the gas chambers at Sobibór(b. 1912)
Colette Bonheur, née Colette Chailler, Canadian singer (b. 1927)
Charlotte Cooper, English tennis champion (b. 1870)
Robert Desoille, French psychotherapist (b. 1890)
Vladimir Dyomin, Soviet footballer and coach (b. 1921)
Jack Ferguson, Australian rules footballer (b. 1901)
Wilfrid Lawson, English actor (b. 1900)
Patsy Gharrity, American baseball player (b. 1892)
William Wells Hewitt, English-Canadian organist and composer (b. 1898)
October 12 – Venerable Sergio Bernardini, Italian layman beatified by Pope Francis (b. 1882)
October 13 – Clifton Webb, American actor (b. 1889)
October 14
George Carstairs, Australian rugby player (b. 1900)
Arthur Folwell, English-born Australian rugby player (b. 1904)
Roswell Clifton Gibbs, American physicist and academic (b. 1878)
October 15
Frederick Montague, 1st Baron Amwell CBE, British Labour Party politician (b. 1876)
Jon Andrå, Norwegian Labour Party politician (b. 1888)
Lee Blair, American jazz musician (b. 1903)
Adam Falkenstein, German Assyriologist (b. 1906)
Ross Gunn, American physicist (b. 1897)
October 16
Arturo Dazzi, Italian artist (b. 1881)
George O'Hara, American actor (b. 1899)
October 17
Dalziel Hammick, British chemist (b. 1887)
Sidney Hatch, American athlete, silver medalist at the 1904 Summer Olympics (b. 1883)
Dhammalok Mahasthavir, Nepalese Buddhist monk (b. 1890)
Alexander Kulik, Russian cleric (b. 1911)
October 18
Elizabeth Arden, Canadian-born beautician and cosmetics entrepreneur (b. 1878)
Cyril Briggs, Nevis-born American Communist Party leader (b. 1888)
Joe Chandler, Australian rules footballer (b. 1877)
Honor Crowley, Irish politician, TD (b. 1903)
October 20
Harry F. Byrd, American politician, Senator from Virginia (b. 1887)
Sir Roy Cameron, Australian pathologist, President of the Royal College of Pathologists (b. 1899)
Charles Catteau, French industrial designer (b. 1880)
Walter Chadwick, English footballer (b. 1903)
Mohamed Fawzi, Egyptian composer and singer (b. 1918)
October 21
Alfred Cockayne, New Zealand botanist (b. 1880)
Lewis Cohen, Baron Cohen of Brighton, British politician (b. 1897)
October 22
Jack Evans, Australian rules footballer (b. 1891)
John Garrick, British actor (b. 1902)
P. S. Harrison, Ottoman-born American journalist (b. 1880)
October 23
Eugenio Bava, Italian cinematographer (b. 1886)
George Bell, Australian painter (b. 1878)
Fred Fussell, American baseball player (b. 1895)
Claire McDowell, silent screen actress (b. 1877)
October 24
Joe Bach, American football player (Notre Dame) and coach (Pittsburgh Steelers) (b. 1901)
Hans Dreier, German-born American art director (b. 1885)
Leo Friedlander, American sculptor (b. 1888)
Sam Hardy, English footballer (b. 1882)
October 25
Reginald Crummack, British field hockey player, competed at 1920 Summer Olympics (b. 1887)
Floyd MacMillan Davis, American artist (b. 1896)
Col. William O. Eareckson, American Air Force officer (b. 1900)
Johan Helo, Finnish politician and diplomat, Minister of Finance and ambassador to France (b. 1889)
October 26
Katyayanidas Bhattacharya, Indian philosopher (b. 1917)
Alma Cogan, English singer (b. 1932)
Sir James Coats, 3rd Baronet, British skeleton racer, competed at the 1948 Winter Olympics (b. 1894)
Bill Cronin, American baseball player (b. 1902)
October 27
Mush Crawford, American football player (b. 1898)
Malcolm Dobie, American-born Canadian politician, Member of the Legislative Assembly of Saskatchewan (b. 1885)
Barry Faulkner, American artist (b. 1881)
Nigel Haig, English cricketer (b. 1887)
Peter Harvey, English cricketer (b. 1926)
October 28
Nikolai Belyaev, Soviet politician, Secretary of the Central Committee of the Communist Party of the Soviet Union (b. 1903)
Robert Charpentier, French Olympic cyclist (b. 1916)
Eugène Hénaff, French trade union leader and member of the French Resistance (b. 1904)
Franz Herterich, German actor (b. 1877)
October 29
Wellman Braud, American jazz musician (b. 1891)
Thomas Brennan, Australian politician, Victorian MLC (b. 1900)
Jocelyn Brooke, English author (b. 1908)
Anthony Cavalcante, American politician, United States Representative for Pennsylvania (b. 1897)
Al Grabowski, American baseball player (b. 1901)
October 30
Dick Barrett, American baseball MLB pitcher (b. 1906)
John Butt, English cricketer (b. 1892)
Rex Cecil, American baseball player (b. 1916)
John Drainie, Canadian actor and television presenter (b. 1916)
Bill Farnsworth, Australian rugby player (b. 1887)
