| 81091 | July 17 | Birth | 1910 – Frank Olson, American chemist and microbiologist (d. 1953) |
| 81092 | July 17 | Birth | 1911 – Lionel Ferbos, American trumpet player (d. 2014) |
| 81093 | July 17 | Birth | 1911 – Heinz Lehmann, German-Canadian psychiatrist and academic (d. 1999) |
| 81094 | July 17 | Birth | 1912 – Erwin Bauer, German race car driver (d. 1958) |
| 81095 | July 17 | Birth | 1912 – Art Linkletter, Canadian-American radio and television host (d. 2010) |
| 81096 | July 17 | Birth | 1913 – Bertrand Goldberg, American architect, designed the Marina City Building(d. 1997) |
| 81097 | July 17 | Birth | 1914 – Eleanor Steber, American soprano and educator (d. 1990) |
| 81098 | July 17 | Birth | 1915 – Fred Ball, American actor and manager (d. 2007) |
| 81099 | July 17 | Birth | 1915 – Arthur Rothstein, American photographer and educator (b. 1985) |
| 81100 | July 17 | Birth | 1917 – Bijon Bhattacharya, Indian actor, singer, and screenwriter (d. 1978) |
| 81101 | July 17 | Birth | 1917 – Lou Boudreau, American baseball player and manager (d. 2001) |
| 81102 | July 17 | Birth | 1917 – Phyllis Diller, American actress, singer, dancer, and voice artist (d. 2012) |
| 81103 | July 17 | Birth | 1917 – Kenan Evren, Turkish general and politician, 7th President of Turkey (d. 2015) |
| 81104 | July 17 | Birth | 1917 – Christiane Rochefort, French author (d. 1998) |
| 81105 | July 17 | Birth | 1918 – Carlos Manuel Arana Osorio, Guatemalan soldier and politician, President of Guatemala (d. 2003) |
| 81106 | July 17 | Birth | 1918 – Red Sovine, American singer-songwriter and guitarist (d. 1980) |
| 81107 | July 17 | Birth | 1920 – Gordon Gould, American physicist and academic, invented the laser (d. 2005) |
| 81108 | July 17 | Birth | 1920 – Juan Antonio Samaranch, Spanish businessman, 7th President of the International Olympic Committee (d. 2010) |
| 81109 | July 17 | Birth | 1921 – George Barnes, American guitarist, producer, and songwriter (The Three Suns) (d. 1977) |
| 81110 | July 17 | Birth | 1921 – Louis Lachenal, French mountaineer (d. 1955) |
| 81111 | July 17 | Birth | 1921 – Mary Osborne, American guitarist (d. 1992) |
| 81112 | July 17 | Birth | 1921 – Toni Stone, American baseball player (d. 1996) |
| 81113 | July 17 | Birth | 1921 – František Zvarík, Slovakian actor (d. 2008) |
| 81114 | July 17 | Birth | 1923 – John Cooper, English car designer, co-founded the Cooper Car Company (d. 2000) |
| 81115 | July 17 | Birth | 1924 – Garde Gardom, Canadian lawyer and politician, 26th Lieutenant Governor of British Columbia (d. 2013) |
| 81116 | July 17 | Birth | 1925 – Jimmy Scott, American singer and actor (d. 2014) |
| 81117 | July 17 | Birth | 1926 – Édouard Carpentier, French-Canadian wrestler (d. 2010) |
| 81118 | July 17 | Birth | 1928 – Vince Guaraldi, American singer-songwriter and pianist (d. 1976) |
| 81119 | July 17 | Birth | 1928 – Joe Morello, American drummer (d. 2011) |
| 81120 | July 17 | Birth | 1929 – Sergei K. Godunov, Russian mathematician and academic |