- Jan 2 Sir Francis Newdegate, English politician (Governor of Tasmania, Western Australia), dies at 73
- Jan 16 Albert Fish, American serial killer, executed at 65
- Jan 17 Mateiu Caragiale, Romanian author (b. 1885)
Rudyard Kipling
Jan 18 Rudyard Kipling, English author (Gunga Din, Nobel 1907), dies at 70
Rudyard Kipling
- Jan 28 Richard Loeb, American Murder, killed Bobby Franks along with Nathan Leopold, killed in prison at 30
- Feb 1 Georgios Kondylis, Prime Minister of Greece & general of the Greek army, dies at 56
- Feb 2 Owen Seaman, British poet and editor (Punch), dies at 74
- Feb 3 Sophie of Schönburg-Waldenburg, consort of William of Wied, Prince of Albania (b.1885)
- Feb 4 Wilhelm Gustloff, German leader of the Swiss Nazi party (b. 1895)
- Feb 9 Jacques Bainville, French historian/essayist/journalist, dies at 57
- Feb 16 James Harvey Robinson, American historian (Ordeal of Civilization), dies at 72
- Feb 17 Erich Schaeder, German theologist (Theozentrische), dies at 74
- Feb 19 Charles Harding Firth, British historian (b. 1857)
- Feb 20 John Hope, president of Atlanta University, dies at 67
- Feb 22 Johan Skjoldborg, Danish writer (Dynaes Digte), dies at 74
Ivan Pavlov
Feb 27 Ivan Pavlov, Russian physiologist and pioneer in psychology (Nobel Prize 1904), dies at 86
Ivan Pavlov
- Feb 27 Joshua W. Alexander, U.S. Secretary of Commerce under Woodrow Wilson (b. 1852)
- Feb 28 Pedro Munoz Seca, La Caraba/La oca, dies at 55
- Feb 28 Charles Nicolle, French bacteriologist (Nobel Prize in Medicine 1928), dies at 69
- Mar 2 Princess Victoria Melita of Saxe-Coburg and Gotha, Grand Duchess of Hesse, dies at 59
David Beatty
Mar 12 David Beatty, 1st Earl Beatty and British Admiral of the Fleet during World War I (Battle of Jutland), dies of heart failure at 65
David Beatty
Eleftherios Venizelos
Mar 18 Eleftherios Venizelos, Prime Minister of Greece (1910-15, 1917-20, 1924, 1928-32, 1933), dies of a stroke at 71
Eleftherios Venizelos
- Apr 2 Jean-Baptiste Eugène Estienne, French general (Father of The Tank), dies at 75
- Apr 3 Bruno Hauptmann, German kidnapper of Charles Augustus Lindbergh III, executed at 36
- Apr 8 Robert Bárány, Austrian physician, Nobel laureate (b. 1876)
- Apr 9 Ferdinand Tönnies, German sociologist and philosopher, dies at 80
- Apr 13 Konstantinos Demertzis, Greek premier, dies at 60
- Apr 17 Charles Ruys de Beerenbrouck, Dutch PM (1918-23, 29-33), dies at 62
- Apr 23 Teresa de la Parra, Venezuelan writer (Memorias de Mamá Blanca), dies at 46
- Apr 27 Frederik August Stoett, Dutch linguist (Dutch Proverbs), dies at 72
- Apr 27 Karl Pearson, British statistician (leading founder of the modern field of statistics), dies at 79
- Apr 28 Fuʾād I [Aḥmad Fuʾād Pasha], King of Egypt (1922-36), dies at 68
- Apr 29 Florentinus M Wibaut, Amsterdam social alderman, dies at 76
- Apr 30 A. E. Housman, English poet (A Shropshire Lad), dies at 77
- May 8 Oswald Spengler, German historian and philosopher (Underworld of Abendlandes), dies at 55
- May 9 François Conrad Schlumberger, French physicist, dies at 57
- May 14 Edmund Allenby, Viscount Allenby, English Fieldmarshal, General in Egypt during WWI, dies at 74
- May 14 Samuel Pierre l'Honoré Naber, Dutch rear-admiral and librarian, dies at 71
- May 17 Panagis Tsaldaris, twice Greek prime minister (b. 1868)
- Jun 3 Clara Noyes, American nurse (head of the American Red Cross WW1), dies from a heart attack at 66
- Jun 7 Stjepan Seljan, Croatian explorer, dies at 60
- Jun 11 Robert E. Howard, American pulp fiction author (Conan the Barbarian), commits suicide aged 30
- Jun 11 Julius Nieuwland, Belgian-American chemist (inventor of neoprene), dies at 58
- Jun 12 Isidore Weiss, French checker player (world champion x 7), dies at 69
- Jun 12 Karl Kraus, Austrian satirical writer, dies at 62
- Jun 12 M. R. James, English scholar and author (Ghost Stories of an Antiquary), dies at 73
- Jun 14 Hans Poelzig, German architect (Grosses Schauspielhaus), dies at 67
- Jun 14 G. K. Chesterton [Gilbert Keith], English writer/poet (Father Brown), dies at 62
- Jun 16 Leib Malach, Yiddish writer, dies
Maxim Gorky
Jun 18 Maxim Gorky [Alexei M Peshkov], Russian writer (Mother), dies at 68
Maxim Gorky
- Jun 22 Moritz Schlick, Austrian philosopher assassinated at 54 by former student Johann Nelböck
- Jul 13 Jose Calvo Sotelo, Spanish minister of Finance, murdered at 43
- Jul 20 Jose Sanjurjo, Spanish general (Morocco) and high director, dies at 64
- Jul 24 Georg Michaelis, Chancellor of German Empire, dies at 78
- Aug 2 Louis Blériot, French aviator who made the first flight across the English Channel in a heavier than air aircraft, dies of a heart attack at 64
- Aug 11 Blas Infante, Spanish writer and politician (b. 1885)
- Aug 14 Rainey Bethea, American murderer, hanged in Owensboro, Kentucky, last US public hanging
- Aug 15 Grazia Deledda, Italian author (Nobel 1926), dies at 64
- Aug 22 Juliette Adam, French author (Salon/Nouvelle Revue) and feminist, dies at 99
- Aug 25 Grigory Zinoviev [Hirsch Apfelbaum], Russian revolutionary, dies at 52
- Sep 3 Nikita Balieff, Armenian vaudevillian and impresario (b. 1876 or 1877)
- Sep 5 Gustave Kahn, French Symbolist poet and art critic (b. 1859)
- Sep 12 Hermann Hirt, German linguist (Indo-European Grammar), dies at 70
- Sep 16 Karl Buresch, Austrian lawyer and politician, dies at 57
- Sep 17 Ettie Annie Rout, New Zealand activist (b. 1877)
- Sep 26 Harriet Monroe, American poet (Poet's Life), dies at 75
- Oct 5 Jan J Slauerhoff, Dutch ship doc/writer (Seaman's Grave), dies at 38
- Oct 8 William Henry Stark, American business leader (b. 1851)
- Oct 12 Edwin Blashfield, American painter who decorated the dome of Library of Congress, dies at 87
- Oct 19 Lu Xun, Chinese writer of modern Chinese literature, dies at 55
- Oct 20 Anne Sullivan [Johanna Macy], American teacher who educated Helen Keller, dies at 70
- Oct 25 Jaime de Magalhães Lima, Portuguese author and poet (Salmos do Prisoneiro), dies at 76
- Oct 26 Bob Dellemijn, Lourdes-ganger/Franco-volunteer, dies in battle at 18
- Oct 29 Ramiro de Maeztu, Spanish writer (Don Quixote & Celestine), dies at 61
- Oct 30 Lorado Taft, American sculptor (Black Hawk), dies at 76
- Nov 2 Martin Lowry, English chemist (Brønsted–Lowry acid–base theory), dies at 62
- Nov 6 Henry Bourne Joy, American automobile executive (b. 1864)
- Nov 10 Louis Gustave Binger, French officer and explorer (b. 1856)
- Nov 19 Buenaventura Durruti, Spanish anarchists army leader, dies in battle
- Nov 20 Jose A Primo de Rivera, Spanish lawyer and politician (founder of Spanish Falange), executed at 33
- Nov 22 Louis Apol, Dutch painter, etcher and literary, dies at 86
- Dec 2 John Ringling, American circus owner (b. 1866)
- Dec 10 Luigi Pirandello, Italian writer (Six Characters in Search of An Author-Nobel 1934), dies at 69
- Dec 18 Andrija Mohorovičić, Austro-Hungarian-born Yugoslav seismologist (b. 1857)
- Dec 20 Baron De Borchgrave, Belgian ambassador, murdered in Madrid
- Dec 24 Dragutin Gorjanovic-Kramberger, Croatian paleontologist (discovery and descriptions of the Neandertal remains from the Huŝnjakova rock shelter at Krapina in northwestern Croatia), dies at 80
- Dec 27 Hans von Seeckt, German general and advisor of Chiang Kai-shek, dies at 70
- Dec 31 Miguel de Unamuno Jugo, Span philosopher/poet (Cancionero), dies at 72
- Dec 31 William FA Ellison, Irish clergyman/astronomer, dies at 72