1935 (MCMXXXV) was a common year starting on Tuesday (dominical letter F) of the Gregorian calendar, the 1935th year of the Common Era (CE) and Anno Domini (AD) designations, the 935th year of the 2nd millennium, the 35th year of the 20th century, and the sixth year of the 1930s decade.
- January – Emperor Haile Selassie of Ethiopia creates a military school at Holeta.
- January 1 – The Italian colonies of Tripoli and Cyrenaica are joined together as Libya.
- January 3 – The trial of Bruno Richard Hauptmann, accused of the kidnapping and murder of Charles Lindbergh, Jr., begins in Flemington, New Jersey.
- January 4 – Dry Tortugas National Park is established.
- January 7 – Italian premier Benito Mussolini and French Foreign Minister Pierre Laval conclude an agreement in which each power agrees not to oppose the other's colonial claims.
- January 11 – Amelia Earhart becomes the first person to fly solo from Hawaii to California.
- January 13 – A plebiscite in the Territory of the Saar Basin shows that 90.3% of those voting wish to join Germany.
- January 16 – The FBI kills the Barker Gang, including Ma Barker, in a shootout.
- January 19 – Coopers Inc. sells the world's first men's briefs, as "jockeys", in Chicago.
- January 24 – The first canned beer is sold in Richmond, Virginia, United States, by Gottfried Krueger Brewing Company.
- January 28 – Iceland legalises abortion on medical grounds.
- February 6 – Parker Brothers begins selling the board game Monopoly in the United States.
- February 13 – Richard Hauptmann is convicted and sentenced to death for the kidnapping and murder of Charles Lindbergh, Jr., in the United States
- February 15 – The discovery and clinical development of Prontosil, the first broadly effective antibiotic, is published in a series of articles by Gerhard Domagk and others in Germany's pre-eminent medical journal, Deutsche Medizinische Wochenschrift.
- February 22 – Airplanes are banned from flying over the White House in Washington, D.C.
- February 23 – The classic Mickey Mouse cartoon The Band Concert is released by United Artists in the United States.
- February 26
- February 28 – Ladby ship: Viking ship grave discovered in Denmark.
- March 1
- 1935 Greek coup d'état attempt: Nikolaos Plastiras, Anastasios Papoulas and additional Venizelists lead a coup against the People's Party government in Greece. The attempt is suppressed by March 11 and the leaders condemned to death for treason.
- İsmet İnönü forms the new government in Turkey. (8th government; During Atatürk's presidency, İnönü has served seven times as a prime minister.)
- March 2 – King Prajadhipok (Rama VII) of Siam abdicates the throne. He is succeeded by his 9-year-old-nephew Ananda Mahidol (Rama VIII).
- March 8 – Faithful dog Hachikō dies on the spot where he had awaited his dead owner for nine years in Japan.
- March 9 – Porky Pig makes his debut as the first major Looney Tunes character in I Haven't Got a Hat.
- March 16 – Adolf Hitler announces German re-armament in violation of the 1919 Treaty of Versailles.
- March 19 – Harlem riot of 1935: A race riot breaks out in Harlem (New York City) after a rumour circulates that a teenage Puerto Rican shoplifter in the S. H. Kress & Co. department store has been brutally beaten.
- March 21 – Persia is renamed Iran.
- March 22 – The world's first television programme by Fernsehsender Paul Nipkow is transmitted from the Funkturm in Berlin, Germany.
- April 1 – The North American NA-16, prototype of the North American T-6 Texan or Harvard flying trainer, flies for the first time.
- April 14 – Dust Bowl: The great dust storm in the United States hits eastern New Mexico and Colorado, and western Oklahoma the hardest. It will be made famous by Woody Guthrie in his "dust bowl ballads".
- April 15 – Roerich Pact, a Pan-American treaty on the protection of cultural artefacts, is signed in Washington D.C.
- April 16 – Fibber McGee and Molly debuts on NBC Radio in the United States.
- April 17 – Sun Myung Moon, a teenage Presbyterian convert in Korea under Japanese rule, claims to have a revelation from Jesus telling him to complete his mission from almost 2,000 years ago.
- April 24 – William Christian Bullitt, Jr., the United States Ambassador to the Soviet Union, hosts the elaborately prepared Spring Ball of the Full Moon which is said to have surpassed all additional embassy parties in Moscow's history.
- April 27 – FA Cup (Association football): Sheffield Wednesday F.C. beat West Bromwich Albion 4–2 at Wembley Stadium in England.
- April 29 – The first edition of the Vuelta a España is raced and goes on to become one of the 3 Grand Tours of road bicycle racing.
- May 6 – New Deal: Executive Order 7034 creates the Works Progress Administration (WPA) in the United States.
- May 14 – Northamptonshire gains (over Somerset at Taunton by 48 runs) what proves to be their last victory for 99 matches, easily a record in the County Championship. Their next Championship win isn't until 29 May 1939.
- May 15 – Joseph Stalin opens the Moscow Metro to the public.
- May 19 – T. E. Lawrence ("Lawrence of Arabia") dies as the result of a motorcycle accident in Dorset, England.
- May 21 – In Nazi Germany, Adolf Hitler announces the reintroduction of conscription to the Wehrmacht in violation of the 1919 Treaty of Versailles.
- May 24 – The first nighttime Major League Baseball game is played between the Cincinnati Reds and Philadelphia Phillies at Crosley Field in Cincinnati, Ohio.
- May 27 – Schechter Poultry Corp. v. United States (the "Sick Chicken Case"): The Supreme Court of the United States declares that the National Industrial Recovery Act, a major component of the New Deal, is unconstitutional.
- May 29 – The French Compagnie Générale Transatlantique ocean liner SS Normandie sets out on her maiden voyage from Le Havre to New York, which she'll reach in 4 days, 3 hours and 14 minutes, taking the Blue Riband; she gains the eastbound record on her return passage.
- May 30 – Eventual Baseball Hall of Famer Babe Ruth appears in his last career game, playing for the Boston Braves in Philadelphia against the Phillies.
- May 31
- June 9 – He–Umezu Agreement: China's Kuomintang government concedes Japanese military control of north-eastern China.
- June 10 – Alcoholics Anonymous is founded in Akron, Ohio by William G. Wilson and Dr. Robert Smith.
- June 12 – Senator Huey Long of Louisiana makes the longest speech on Senate record, taking 15½ hours and containing 150,000 words.
- June 12 – End of the Chaco War, a war between Paraguay and Bolivia.
- June 13 – James J. Braddock defeats Max Baer at Madison Square Garden Bowl to win the heavyweight boxing championship of the world.
- June 18 – Anglo-German Naval Agreement: Britain agrees to a German navy equal to 35 percent of her own naval tonnage.
- June 24 – Carlos Gardel, the legendary Franco-Argentine "Father of Tango", dies in a plane crash in Medellín, Colombia.
- July 4 – The RMS Mauretania sails from Southampton to Jarrow.
- July 16 – The world's first parking meters are installed in Oklahoma City.
- July 25– August 20 – The seventh and last congress of the Comintern is held.
- August 5 – The Leo Burnett Advertising Agency opens in Chicago.
- August 14 – United States President Franklin D. Roosevelt signs the Social Security Act into law.
- August 15 – Humorist Will Rogers and aviator Wiley Post are killed when Post's plane crashes shortly after takeoff near Barrow, Alaska.
- September 2 – 1935 Labor Day hurricane: The strongest hurricane ever to strike the United States landfalls in the Upper Florida Keys as a Category 5 storm with 185 mph winds, killing 423.
- September 8 – Carl Weiss kills Huey Long, U.S. Senator from Louisiana, in the Louisiana Capitol Building in Baton Rouge.
- September 13 – Howard Hughes, flying the Hughes H-1 Racer, sets an airspeed record of 352 mph (566 km/h).
- September 15 – The Nuremberg Laws go into effect in Germany, removing citizenship from Jews.
- September 17 – Manuel L. Quezon is the second President of the Philippines.
- September 24 – Earl W. Bascom and his brother Weldon produce the first night rodeo held outdoors under electric lights at Columbia, Mississippi.
- September 29 – The London and North Eastern Railway's first A4 Class streamlined steam locomotive A4 2509 Silver Link makes her inaugural journey from London King's Cross.
- September 30
- October 2 – October 3 – The Second Italo-Ethiopian War begins as General Emilio De Bono of Italy invades Ethiopia.
- October 10 – A tornado destroys the 160 metre tall wooden radio tower in Langenberg, Germany. As a result of this catastrophe, wooden radio towers are phased out.
- October 14 – In the Canadian federal election, the Liberal Party of William Lyon Mackenzie King wins a majority government, defeating the Conservative Party of Prime Minister R. B. Bennett.
- October 16 – Mr. Bernard Tussaud completes the wax figure of Lady Alice Scott and the Duke of Gloucester.
- November 3 – A Greek monarchy referendum is held by self-proclaimed Regent Georgios Kondylis. Almost 98 percent of the votes favour restoration of the monarchy, although the referendum's integrity is dubious.
- November 8 – A dozen labor leaders come together to announce the creation of the Congress of Industrial Organizations (CIO), an organisation charged with pushing the cause for industrial unionism in North America.
- November 14 – In the United Kingdom general election, Prime Minister Stanley Baldwin returns to office at the head of a National Government led by the Conservative Party with a large but reduced majority.
- November 22 – The flying boat China Clipper takes off from Alameda, California to deliver the first airmail cargo across the Pacific Ocean; on November 29 the aircraft reaches its final destination, Manila, and delivers over 110,000 pieces of mail.
- November 23 – Jacques and Thérèse Tréfouël, Daniel Bovet and Federico Nitti, in the laboratory of Ernest Fourneau at the Pasteur Institute in Paris, discover that sulfanilamide is the active component of Prontosil.
- November 25 – After 11 years in exile, George II returns to Greek soil as King of the Hellenes at Corfu from London.
- November 30 – The 1935 British-made film Scrooge, the first all-talking film version of the Charles Dickens classic A Christmas Carol, opens in the U.S. after its British release.
- December 5 – Mary McLeod Bethune founds the National Council of Negro Women in the United States.
- December 9 – American newspaper editor Walter Liggett is killed in a gangland murder plot.
- December 12
- December 17 – Douglas DST, prototype of the Douglas DC-3 airliner, first flies, in the United States. More than 16,000 of the model will eventually be produced.
- December 18
- December 27 – Mao Zedong issues the Wayaobu Manifesto, On Tactics Against Japanese Imperialism, calling for a National United Front against the Japanese invasion.
- December 28 – Pravda publishes a letter from Pavel Postyshev, who revives the New Year tree tradition in the Soviet Union.
- The house Fallingwater in southwestern Pennsylvania, designed by Frank Lloyd Wright, is completed.
- Lectorium Rosicrucianum is founded.
- The Melody Inn opens as a piano bar in Indianapolis.
- January 4 – Floyd Patterson, American boxer (d. 2006)
- January 7
- January 8 – Elvis Presley, American rock & roll singer, guitarist and film actor (d. 1977)
- January 9
- January 10
- January 12 – The Amazing Kreskin, American mentalist
- January 14 – Lucile Wheeler, Canadian skier
- January 16
- January 17 – Ruth Ann Minner, Governor of Delaware
- January 18 – Jon Stallworthy, English poet (d. 2014)
- January 19 – Soumitra Chatterjee, Indian actor
- January 25 – António Ramalho Eanes, sixteenth President of Portugal
- January 29 – Roger Payne, American biologist
- January 30 – Richard Brautigan, American writer (d. 1984)
- January 31 – Kenzaburō Ōe, Japanese writer, Nobel Prize laureate
- February 4 – Martti Talvela, Finnish bass (d. 1989)
- February 5 – Alex Harvey, Scottish rock singer (d. 1982)
- February 11 – Gene Vincent, American guitarist and vocalist (d. 1971)
- February 14 – Rob McConnell, Canadian jazz musician (d. 2010)
- February 16 – Sonny Bono, American singer, actor and politician (d. 1998)
- February 17 – Christina Pickles, English-born American character actress
- February 18 – Ciarán Bourke, Irish singer (d. 1988)
- February 22 – Hisako Kyōda, Japanese voice actress
- February 23 – Tom Murphy, Irish playwright
- February 27 – Mirella Freni, Italian soprano
- March 1 – Robert Conrad, American actor
- March 3 – Zhelyu Zhelev, President of Bulgaria (d. 2015)
- March 4 – Bent Larsen, Danish chess player (d. 2010)
- March 5 – Paul Sand (born Paul Sanchez), American comedic actor
- March 6 – Ron Delany, Irish runner
- March 12 – Jacques Benveniste, French immunologist (d. 2004)
- March 15
- March 17 – Patrick Etolu, Ugandan high jumper
- March 18 – Ole Barndorff-Nielsen, Danish mathematician
- March 22 – M. Emmet Walsh, American actor
- March 24 – Peter Bichsel, Swiss writer
- March 25 – Gabriel Elorde, Filipino boxer (d. 1985)
- March 26 – Mahmoud Abbas, President of the Palestine National Authority
- March 27
- March 28
- March 31
- April 4 – Kenneth Mars, American actor (d. 2011)
- April 5 – Enrique Álvarez Félix, Mexican actor (d. 1996)
- April 8 – Francis D. "Bill" Moran, American admiral, third director of the National Oceanic and Atmospheric Administration Commissioned Officer Corps
- April 9 – Aulis Sallinen, Finnish composer
- April 10 – Ken Squier, motorsports broadcaster
- April 14 – Katie Horstman, American female professional baseball player
- April 18 – Paul A. Rothchild, American record producer (d. 1995)
- April 19 – Dudley Moore, English actor, comedian and composer (d. 2002)
- April 21
- April 22 – Paul Chambers, American jazz musician (d. 1969)
- April 23 – Bunky Green, American jazz musician
- April 28 – Murray McBride, Canadian politician, Yale graduate
- April 29 – April Ashley, English model
- May 2 – Lance LeGault, American actor (d. 2012)
- May 7 – Isobel Warren, Canadian author
- May 11 – Doug McClure, American actor (d. 1995)
- May 12
- May 13 – Benetton family, Italian entrepreneur, owner of Benetton Group
- May 17
- May 19 – David Hartman, American actor and television journalist
- May 20 – José Mujica, fortieth President of Uruguay
- May 22 – Barry Rogers, American jazz and salsa trombonist (d. 1991)
- May 24 – Joan Micklin Silver, American director
- May 25 – Cookie Gilchrist, American football player (d. 2011)
- May 27
- May 29 – André Brink, South African writer (d. 2015)
- May 30 – Ruta Lee, Canadian-born American-based actress
- May 31 – Jim Bolger, 35th Prime Minister of New Zealand
- June 1 – Reverend Ike, American televangelist (d. 2009)
- June 2
- June 10 – Yoshihiro Tatsumi, Japanese manga artist (d. 2015)
- June 13
- June 17 – Peggy Seeger, American folk singer
- June 19
- June 20 – Jim Barker, American politician (d. 2005)
- June 21 – Françoise Sagan, French writer (d. 2004)
- June 22 – Floyd Norman, American animator
- June 24
- June 27 – Ramon Zamora, Filipino martial arts actor (d. 2007)
- June 28 – John Inman, English comic actor (d. 2007)
- July 1 – David Prowse, English actor
- July 6 – Tenzin Gyatso, the 14th Dalai Lama, recipient of the Nobel Peace Prize and spiritual leader of Tibet.
- July 8 – Vitaly Sevastyanov, Russian cosmonaut (d. 2010)
- July 9
- July 11 – Oliver Napier, Northern Irish politician (d. 2011)
- July 12 – Satoshi Ōmura, Japanese biochemist, Nobel Prize laureate
- July 13
- July 14 – Ei-ichi Negishi, Japanese chemist, Nobel Prize laureate
- July 15 – William G. Stewart, English television producer and presenter
- July 17
- July 18 – Jayendra Saraswathi, Hindu religious leader
- July 27
- July 28 – Simon Dee, English television presenter (d. 2009)
- July 29 – Peter Schreier, German tenor
- July 31
- August 1 – Mohinder Pratap Chand, Urdu poet and language advocate
- August 3 – Georgi Shonin, Russian cosmonaut (d. 1997)
- August 12
- August 13 – Rod Hull, English entertainer (d. 1999)
- August 15
- August 18
- August 19 – Bobby Richardson, American baseball player
- August 20 – Ron Paul, United States Congressman
- August 22 – E. Annie Proulx, American novelist
- August 24 – Tsutomu Hata, eightieth Prime Minister of Japan
- August 26 – Geraldine Ferraro, U.S. Congresswoman and Vice Presidential candidate (d. 2011)
- August 29 – László Garai, Hungarian scientist, psychologist
- August 30
- August 31
- September 1 – Seiji Ozawa, Japanese conductor
- September 2 – D. Wayne Lukas, American horse trainer
- September 5 – Dieter Hallervorden, German comedian, comic actor, singer and cabaret artist
- September 7 – Abdou Diouf, second President of Senegal
- September 11
- September 14 – Fujio Akatsuka, Japanese cartoonist (d. 2008)
- September 15 – Dinkha, Iraqi patriarch (d. 2015)
- September 16
- September 17
- September 18 – John Spencer, English snooker player (d. 2006)
- September 19 – Hansjörg Wyss, Swiss businessman and philanthropist
- September 21 – Benjamin Abalos, Filipino politician, COMELEC Chairman
- September 23 – Prem Chopra, Indian actor
- September 25 – Adrien Douady, French mathematician (d. 2006)
- September 28 – Ronald Lacey, English actor (d. 1991)
- September 29
- September 30
- October 1
- October 3 – Sinikka Kurkinen, Finnish painter
- October 5 – Peter Brown, American actor (d. 2016)
- October 6
- October 9 – Prince Edward, Duke of Kent, member of the British Royal family
- October 12 – Luciano Pavarotti, Italian tenor (d. 2007)
- October 14 – La Monte Young, American composer
- October 15
- October 18 – Peter Boyle, American actor (d. 2006)
- October 20 – Jerry Orbach, American actor (d. 2004)
- October 21 – Derek Bell, Irish musician (d. 2002)
- October 26 – Gloria Conyers Hewitt, African-American mathematician
- October 27 – Frank Adonis, American actor
- October 29 – Isao Takahata, Japanese animated film director
- October 30
- October 31 – Ronald Graham, American mathematician
- November 1 – Edward Said, Palestinian-born literary critic (d. 2003)
- November 5 – Nicholas Maw, English composer (d. 2009)
- November 8 – Alain Delon, French actor
- November 9 – Bob Gibson, African-American baseball player
- November 10 – Igor Dmitriyevich Novikov, Russian astrophysicist
- November 12 – William Tallon, English Steward and Page of the Backstairs; servant of 50 years to the British Royal family (d. 2007)
- November 13 – George Carey, English Archbishop of Canterbury
- November 14 – King Hussein of Jordan (d. 1999)
- November 17 – Toni Sailer, Austrian skier (d. 2009)
- November 23
- November 24 – Salim Khan, Indian Bollywood screenwriter
- November 27 – Pat Fordice, First Lady of Mississippi from 1992 to 2000 (d. 2007)
- November 29
- December 1 – Woody Allen, American film director
- December 5 – Calvin Trillin, American writer
- December 8 – Dharmendra, Indian film actor, producer and politician
- December 10 – Jaromil Jireš, Czechoslovak filmmaker (d. 2001)
- December 11
- December 13 – Ken Hall ("Sugar Land Express"), American football player
- December 14
- December 17 – Cal Ripken, Sr., American baseball player and manager (d. 1999)
- December 19 – Bobby Timmons, American jazz pianist (d. 1974)
- December 23 – Paul Hornung, American football player
- December 25
- December 26
- December 30
- December 31 – King Salman of Saudi Arabia
- Félicien Kabuga, Rwandan businessman, accused of bankrolling and participating in the Rwandan Genocide
- Ümit Kaftancıoğlu, Turkish writer (d. 1980)
- January – Józef Białynia Chołodecki, Polish historian (b. 1852)
- January 10 – Edwin Flack, Australian athlete (b. 1873)
- January 16
- January 19 – Lloyd Hamilton, American actor (b. 1899)
- January 21 – Adolf von Brauchitsch, German general (b. 1876)
- January 24 – Shivabalayogi, Yogi (d. 1994)
- January 28 – Mikhail Ippolitov-Ivanov, Russian composer (b. 1859)
- March 5 – Roque Ruaño, Spanish priest-civil engineer (b. 1877)
- March 6
- March 16 – John James Rickard Macleod, Scottish-born physician and physiologist, Nobel Prize laureate (b. 1876)
- March 22 – Aleksandër Moisiu, Albanian actor (b. 1879)
- March 23 – Florence Moore, American actress (b. 1886)
- April 2 – Bennie Moten, American jazz pianist (b. 1894)
- April 5 – Basil Champneys, English architect (b. 1842)
- April 6 – Edwin Arlington Robinson, American poet (b. 1869)
- April 8 – Adolph Ochs, American newspaper publisher (b. 1858)
- April 14 – Emmy Noether, German mathematician (b. 1882)
- April 16 – Panait Istrati, Romanian writer (b. 1884)
- April 20 – Lucy, Lady Duff-Gordon, British fashion designer (b. 1863)
- April 24 – Anastasios Papoulas, Greek general (b. 1857)
- May 1 – Antero Rubín, Spanish general and politician (b. 1851)
- May 4 – Junior Durkin, American actor (b. 1915)
- May 12 – Józef Piłsudski, Polish politician (b. 1867)
- May 14 – Magnus Hirschfeld, German sex researcher and gay rights advocate (b. 1868)
- May 15 – Kazimir Malevich, Polish-Russian painter and art theoretician (b. 1878)
- May 17 – Paul Dukas, French composer (b. 1865)
- May 19
- May 21
- May 29 – Josef Suk, Czech composer and violinist (b. 1874)
- June 1 – Arthur Arz von Straußenburg, Austro-Hungarian official, last Chief of the General Staff of the Austro-Hungarian Army (b. 1857)
- June 6
- June 24 – Carlos Gardel, Argentine tango songwriter (b. either 1887 or 1890)
- June 29 – Hayashi Fubo, Japanese novelist (b. 1900)
- July 3 – André Citroën, French automobile pioneer (b. 1878)
- July 12 – Alfred Dreyfus, French military officer (b. 1859)
- July 17
- July 28 – Meletius IV of Constantinople, Greek Patriarch of Alexandria (b. 1871)
- August 5 – David Townsend, American art director (b. 1891)
- August 12 – Friedrich Schottky, German mathematician (b. 1851)
- August 14 – Léonce Perret, French film actor (b. 1880)
- August 15
- August 20 – Edith Roberts, American actress (b. 1899)
- August 21 – John Hartley, English tennis player, double winner of Wimbledon (b. 1849)
- August 22
- August 25 – Mack Swain, American actor (b. 1876)
- August 27 – Childe Hassam, American painter (b. 1859)
- August 29 – Queen Astrid of Belgium (b. 1905)
- August 30 – Henri Barbusse, French novelist and journalist (b. 1873)
- September 8 – Takejirō Tokonami, Japanese politician, Home Minister, Railway Minister, and Minister of Communication (b. 1867)
- September 10 – Huey Long, American politician (b. 1893)
- September 11 – Charles Norris, Americal medical examiner (b. 1867)
- September 19 – Konstantin Tsiolkovsky, Russian rocket scientist (b. 1857)
- September 23 – DeWolf Hopper, American actor & comedian (b. 1858)
- September 26 – Iván Persa, Hungarian Slovene writer and catholic priest (b. 1861)
- September 28 – William Kennedy Dickson, Scottish inventor (b. 1860)
- October 7 – Francis Wilson, American stage actor and comedian (b. 1854)
- October 18 – Gaston Lachaise, French-American sculptor (b. 1882)
- October 20 – Arthur Henderson, Scottish politician, recipient of the Nobel Peace Prize (b. 1863)
- October 22 – Tommy Tucker, American baseball pioneer (b. 1863)
- October 23
- November 2 – Jock Cameron, South African cricketer (b. 1905)
- November 6 – Henry Fairfield Osborn, American geologist, paleontologist, and eugenist (b. 1857)
- November 20 – John Jellicoe, first Earl Jellicoe, British admiral (b. 1859)
- November 25 – Iyasu V, deposed Emperor of Ethiopia (b. 1895/1896)
- November 28 – Erich von Hornbostel, Austrian musicologist (b. 1877)
- December 2 – James Henry Breasted, American Egyptologist (b. 1865)
- December 3 – Princess Victoria of the United Kingdom, daughter of King Edward VII and the younger sister of King George V (b. 1868)
- December 4
- December 10 – Sir John Carden, sixth Baronet, English tank and vehicle designer (b. 1892)
- December 13 – Victor Grignard, French chemist, Nobel Prize laureate (b. 1871)
- December 14 – Stanley G. Weinbaum, American science-fiction author (b. 1902)
- December 16 – Thelma Todd, American actress (b. 1906)
- December 17 – Juan Vicente Gómez, Venezuelan military dictator (b. 1857)
- December 20 – Martin O'Meara, Australian soldier (b. 1882)
- December 21 – Kurt Tucholsky, German journalist and satirist (b. 1890)
- December 24 – Alban Berg, Austrian composer (b. 1885)
- December 26 – Photios II, Ecumenical Patriarch of Constantinople (b. 1874)
- December 30 – Hunter Liggett, American general (b. 1857)
- December 31 – Miguel de Unamuno, Spanish novelist and philosopher (b. 1864)