| 79171 | July 12 | Birth | 1913 – Willis Lamb, American physicist and academic, Nobel Prize laureate (d. 2008) |
| 79172 | July 12 | Birth | 1914 – Mohammad Moin, Iranian linguist and lexicographer (d. 1971) |
| 79173 | July 12 | Birth | 1916 – Lyudmila Pavlichenko, Ukrainian-Russian soldier and sniper (d. 1974) |
| 79174 | July 12 | Birth | 1917 – Luigi Gorrini, Italian soldier and pilot (d. 2014) |
| 79175 | July 12 | Birth | 1917 – Andrew Wyeth, American painter (d. 2009) |
| 79176 | July 12 | Birth | 1918 – Mary Glen-Haig, English fencer (d. 2014) |
| 79177 | July 12 | Birth | 1920 – Keith Andes, American actor and singer (d. 2005) |
| 79178 | July 12 | Birth | 1920 – Pierre Berton, Canadian journalist and author (d. 2004) |
| 79179 | July 12 | Birth | 1920 – Bob Fillion, Canadian ice hockey player and manager (d. 2015) |
| 79180 | July 12 | Birth | 1920 – Paul Gonsalves, American saxophonist (d. 1974) |
| 79181 | July 12 | Birth | 1920 – Randolph Quirk, Manx linguist and academic |
| 79182 | July 12 | Birth | 1920 – Beah Richards, American actress and playwright (d. 2000) |
| 79183 | July 12 | Birth | 1922 – Mark Hatfield, American soldier and politician, 29th Governor of Oregon (d. 2011) |
| 79184 | July 12 | Birth | 1923 – René Favaloro, Argentine surgeon and cardiologist (d. 2000) |
| 79185 | July 12 | Birth | 1924 – Faidon Matthaiou, Greek basketball player and coach (d. 2011) |
| 79186 | July 12 | Birth | 1925 – Albert Lance, Australian-French tenor (d. 2013) |
| 79187 | July 12 | Birth | 1925 – Roger Smith, American businessman (d. 2007) |
| 79188 | July 12 | Birth | 1927 – Françoys Bernier, Canadian pianist, conductor, and educator (d. 1993) |
| 79189 | July 12 | Birth | 1927 – Conte Candoli, American trumpet player (d. 2001) |
| 79190 | July 12 | Birth | 1927 – Jack Harshman, American baseball player (d. 2013) |
| 79191 | July 12 | Birth | 1927 – Harley Hotchkiss, Canadian businessman (d. 2011) |
| 79192 | July 12 | Birth | 1927 – Frank Windsor, English actor |
| 79193 | July 12 | Birth | 1928 – Alastair Burnet, English journalist (d. 2012) |
| 79194 | July 12 | Birth | 1928 – Elias James Corey, American chemist and academic, Nobel Prize laureate |
| 79195 | July 12 | Birth | 1928 – Imero Fiorentino, American lighting designer (d. 2013) |
| 79196 | July 12 | Birth | 1928 – Jo Myong-rok, North Korean marshal (d. 2010) |
| 79197 | July 12 | Birth | 1928 – Kathy Staff, English actress (d. 2008) |
| 79198 | July 12 | Birth | 1928 – Pixie Williams, New Zealand singer (d. 2013) |
| 79199 | July 12 | Birth | 1929 – Monte Hellman, American director and producer |
| 79200 | July 12 | Birth | 1930 – Alberto Lionello, Italian actor (d. 1994) |