- Aug 6 W. H. Grattan Flood, Irish author and composer, dies at 68
- Aug 8 Stjepan Radic, Croatian politician (founder of Croatian People's Peasant Party), shot and assassinated in parliament at 57
- Aug 9 Frederick II, Grand Duke of Baden (1907-18), dies at 71
- Aug 10 Rex Cherryman, American actor (Camille, The Sunshine Trail, In for Thirty Days), dies from septic poisoning at 31
- Aug 13 Fernand de La Tombelle, French organist and composer, dies at 74
- Aug 14 Klabund [Alfred Henschke], German writer (Spuk, Rasputin), dies at 37
- Aug 29 Richard Haldane, British viscount and lord-chancellor (Life of A Smith), dies at 72
- Aug 30 Franz Stuck, German painter (The Sin), dies at 65
- Aug 30 Wilhelm Wien, German physicist (laws of motion, Nobel Prize for Physics 1911), dies at 64
Assassination
Drug Overdose
Gunshot Wound
Murder
Plane Crash
Suicide