- 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 4 Henry Schoenfeld, American composer, dies at 78
- 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 15 Stanisław Niewiadomski, Polish composer, dies at 76
- Aug 15 Henry Lytton, British actor and opera singer (The Mikado), dies at 71
- Aug 17 Pierre-Octave Ferroud, French composer (Surgery & Foules), dies at 36
- Aug 19 Federico Garcia Lorca, Spanish poet/composer, murdered at 37 or 38
- 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