- Aug 3 Willard Hershberger, American baseball catcher (Cincinnati Reds), commits suicide at 30
- Aug 4 Vladimir Jabotinsky, founder of Revisionist Zionism, dies
- Aug 5 Frederick Cook, American explorer, claimed to have 1st discovered North Pole, dies at 75
- Aug 8 Johnny Dodds, American early jazz clarinetist, dies at 48
- Aug 11 Alfred Zamara Austrian harpist, composer, and teacher, dies at 77
- Aug 13 George C. Pearce, American actor (The Shadow Sinister, British Agent, Valiant), dies at 75
Henri Desgrange
Aug 16 Henri Desgrange, French cyclist, journalist and founder of the Tour de France, dies at 75
- Aug 17 Billy Fiske, US RAF-pilot/2nd lieutenant and 1st American serviceman killed in action in World War II, dies at 29
Walter Chrysler
Aug 18 Walter Chrysler, American automotive pioneer (Chrysler Corporation) and thoroughbred breeder, dies at 65
Leon Trotsky
Aug 21 Leon Trotsky, Russian Marxist revolutionary, political theorist and founder of the Red Army, assassinated at 62 by an ice-pick wielding Ramón Mercader
- Aug 21 Paul Juon, Russian-Swiss violinist and composer, dies at 68
- Aug 21 Ernest Thayer, American poet who wrote the famous baseball poem "Casey", dies at 77
- Aug 21 Hermann Obrecht, Swiss jurist, member of the Swiss Federal Council, dies at 58
- Aug 22 Oliver Joseph Lodge, English physicist, early radio pioneer, dies at 89
- Aug 24 Paul G. Nipkow, German TV pioneer (Nipkow disk), dies at 80
- Aug 29 Arthur De Greef, Belgian composer, dies at 77
J. J. Thomson
Aug 30 J. J. Thomson, English physicist who discovered the electron (Nobel 1906), dies at 83
