- Jul 1 Auguste Reitsma, Dutch resistance fighter (census director), executed
- Jul 1 C Bakker, Dutch resistance fighter (census bureau), executed
- Jul 1 C L Barentsen, Dutch resistance fighter (census bureau), executed
- Jul 1 Coos Hartogh, Dutch resistance fighter (census bureau), executed
- Jul 1 Cor Roos, Dutch resistance fighter (census bureau), executed
- Jul 1 Henri Halberstadt, Dutch resistance fighter (census dir), executed
- Jul 1 Johan Brouwer, Dutch writer, Hispanist, and anti-Nazi resistance fighter, executed at 45
- Jul 1 Koen Limperg, Dutch resistance fighter (census bureau), executed
- Jul 1 Sam Bloemgarten, Dutch resistance fighter (census bureau), executed
- Jul 1 Willem Arondeus, Dutch resistance fighter (census bureau), executed
- Jul 1 Willem Brouwer, Dutch resistance fighter (census bureau), executed
- Jul 2 Caroline Yale, American educator who revolutionized the teaching of hearing-impaired students, dies at 84
- Jul 4 Władysław Sikorski, Polish World War II general and Prime Minister of Poland in exile (1939-43), killed in a plane crash at 62
- Jul 8 Guillermo Valencia, Colombian poet, translator and statesman, dies at 69
- Jul 8 Harry Oakes, Canadian-British prominent businessman in Bahamas, murdered under mysterious circumstances at 68
- Jul 8 Jean Moulin, French hero of the Résistance during World War II, executed at 44
- Jul 9 Clifford Whittingham Beers, American mental hygiene pioneer, dies at 67
- Jul 10 Arthur Nevin, American composer, dies at 72
- Jul 13 Kurt Huber, German college professor and member of anti-Nazi resistance group Weisse Rose (White Rose), executed by guillotine at 50
- Jul 14 Johannes "Frits" Bakker Sr, Dutch actor, dies at 74
- Jul 17 Sir Patrick Duncan, Governor-general of the Union of South Africa (1937 to 1943), dies at 72
- Jul 18 Harry Pace, American music label owner (Black Swan - 1st major label founded by a Black American), dies at 59
- Jul 21 Charles Paddock, American 100m runner (Olympic gold 1920), dies at 42
- Jul 23 Emanuel Querido, Dutch author and publisher (N.V. Em. Querido Uitgeversmaatschappij), murdered in the Nazi extermination camp at Sobibor at 71
- Jul 27 Harold Austin, Barbadian cricketer and captain of 1923 West Indies team to England, dies at 66
- Jul 27 Herbert Roper Barrett, British tennis player (Wimbledon doubles 1909, 12, 13; Wimbledon singles 1908, 11 runner-up; Olympic gold indoor doubles 1908), dies at 69
- Jul 30 Benjamin Dale, British composer (Before the Paling of the Stars; The Flowing Tide), and educator (Royal Academy), dies at 58
- Jul 30 Owen Nares [Ramsay], British actor and manager (Maiden Erleigh), dies from a heart attack at 54
- Jul 31 Hedley Verity, English cricket spin bowler (40 Tests, 144 wickets @ 24.37), dies in POW camp in Italy at 38
Assassination
Car Crash
Hanging
Killed in Action
Plane Crash
Poisoning