- Aug 2 Clarence Dickinson, American composer, dies at 96
Theodor W. Adorno (1903-1969)
Aug 6 German philosopher and sociologist (Dialectic of Enlightenment, Negative Dialectics), dies at 65
- Aug 7 Joseph Kosma [József Kozma], Hungarian-French film composer (Les Enfants du Paradis; The Grand Illusion), dies at 63
- Aug 7 Russ Morgan, American orchestra leader (Welcome Aboard), dies at 65
- Aug 8 Otmar Freiherr von Verschuer, German human biologist and Nazi physician, dies at 73
- Aug 9 Abigail Folger, American coffee magnate (Folgers), murdered by the Manson family at 25
Cecil Frank Powell (1903-1969)
Aug 9 English physicist who discovered pion (pi-meson), a subatomic particle (Nobel 1950), dies at 65
- Aug 9 George Preston Marshall, American Pro Football HOF team owner (Washington Redskins 1933-69), dies at 72
- Aug 9 Jay Sebring, American hair stylist, murdered by Manson family at 35
- Aug 9 Robert Lehman, American banker (Lehrman Brothers) and arts benefactor (Robert Lehman Wing at the Met Museum of Art), dies at 77
Sharon Tate (1943-1969)
Aug 9 American actress (Valley of the Dolls), murdered by Manson's gang at 26
- Aug 9 Steven Parent, American student, murdered by the Manson family at 18
- Aug 9 Voyteck Freykowski, Polish writer, murdered by the Manson family at 32
- Aug 10 Leno LaBianca, American businessman (murdered) (b. 1925)
- Aug 10 Rosemary LaBianca, American housewife (murdered) (b. 1930)
- Aug 12 Dick Ryan, American actor (For Heaven's Sake, Born to be Bad), dies after long illness at 72
- Aug 14 Leonard Woolf, English author and husband of Virginia Woolf, dies at 88
- Aug 14 Sigrid Gurie, Norwegian American actress (Algiers, Sofia, Refugee), dies from a blood clot at 58
- Aug 15 Stijn Streuvels [Frank Lateur], Flemish writer (De Vlaschaard), dies at 97
- Aug 16 Russ Bender, American actor and writer (Amazing Colossal Man; Space Monster, It Conquered the World), dies at 59
- Aug 17 Ludwig Mies van der Rohe, German-American architect (November Group), dies at 83
- Aug 17 Philip Blaiberg, South African dentist, third person to receive an artificial heart, dies after 19 days at 59
- Aug 18 Laci Boldemann, Swedish composer, dies at 48
- Aug 18 Mildred Davis, American silent screen actress (Grandma's Boy; Haunted Spooks; I Do!), dies of coronary disease at 68
- Aug 18 Otto Stern, German-American physicist (Stern-Gerlach-experiment, Nobel 1943), dies at 81
- Aug 27 Claire Whitney, silent film actress (Blind Fools), dies at 79
- Aug 27 Erika Mann, German-American author (Other Germany) and daughter of Thomas Mann, dies at 63
- Aug 27 Henri EJA de Page, Belgian lawyer, dies
- Aug 27 Ivy Compton-Burnett, English novelist (Manservant and Maidservant), dies at 85
- Aug 28 Clarence Hennecke, American actor (The Strong Man, Murder by Television, Keystone Kops), dies at 74
- Aug 31 Ottmar Gerster, German composer (rector of the Liszt Music Academy in Weimar), dies at 72
Rocky Marciano (1923-1969)
Aug 31 American boxer (undefeated world heavyweight champion 1952-56), dies in a plane crash at 45
Assassination
Drug Overdose
Gunshot Wound
Murder
Plane Crash
Suicide