- Jul 1 Harry Nicholls Holmes, American chemist (crystallized vitamin A), dies at 78
- Jul 1 Rudolf von Laban, Czech-German choreographer (modern dance), dies at 78
- Jul 2 Joe Jeannette, American boxer (world coloured champion 1909), dies at 78
- Jul 4 Adolf Herckenrath, Flemish playwright and poet (Avondvlam), dies at 79
- Jul 5 Frank Burge, Australian rugby league forward (13 Tests, 26 games NSW; Glebe, St. George; RL "Immortal") and coach (St. George, North Sydney, Western Suburbs, Newtown), dies of a heart attack at 63
- Jul 6 Marie van Regteren Altena, Dutch painter (Amsterdam's Joffers), dies at 89
- Jul 7 Raymond Hackett, American husband of Blanche Sweet and actor (Faithless Lover), dies at 55
- Jul 11 Karel Wellens, Flemish painter, dies at 69
- Jul 13 Karl Erb, German tenor, dies on his 81st birthday
- Jul 14 'Abd al-Ilah, crown prince of Iraq, assassinated at Baghdad during the revolution at 44
- Jul 14 Faisal II, King of Iraq (1939-58), son of Ghasi I, assassinated during the revolution at Baghdad at 23
- Jul 14 Franciscus J. Feron, vicaris-general of Roermond, dies at 62
- Jul 14 René Guillou, French organist and composer (L'Autre mère), dies at 55
- Jul 15 Julia Lennon, mother of Beatle John, dies in an auto accident
- Jul 15 Nuri al-Said, Iraqi politician, 8-time Prime Minister of Iraq, assassinated while trying to escape during the revolution at 69
Henri Farman (1874-1958)
Jul 17 British-French aviator who broke several aviation records, dies at 84
- Jul 18 John Gobau, Flemish actor (Electricity, Hostage Rights, The Cross-Patch), dies at 67
- Jul 19 Robert Earl Hughes, American man who became heaviest known human (485 kg), dies at 32
- Jul 20 Franklin Pangborn, American actor (My Best Gal, Hats Off, Easy Living), dies at 69
- Jul 22 Karl Nunes, cricketer (1st WI Test captain 1928), dies
- Jul 22 Mikhail Zoshchenko, Russian author and satirist, dies at 62
- Jul 25 Harry Warner, US movie pioneer (Warner Bros), dies at 81
- Jul 27 Claire Chennault, American aviator and military leader (Flying Tigers), dies at 64
- Jul 28 Walter Andrae, German archaeologist (helped steal Ishtar Gate), dies at 81
- Jul 29 Charles O'Malley, American actor in silent westerns (Iron Horse), dies at 61
- Jul 30 Alexander Albrecht, Slovak composer, dies at 72
- Jul 31 Eino Kaila, Finnish psychologist and philosopher, dies at 67