| 80311 | July 15 | Birth | 1917 – Nur Muhammad Taraki, Afghan journalist and politician (d. 1979) |
| 80312 | July 15 | Birth | 1917 – Joan Roberts, American actress and singer (d. 2012) |
| 80313 | July 15 | Birth | 1918 – Bertram Brockhouse, Canadian physicist and academic, Nobel Prize laureate (d. 2003) |
| 80314 | July 15 | Birth | 1918 – Brenda Milner, English-Canadian neuropsychologist and academic |
| 80315 | July 15 | Birth | 1919 – Fritz Langanke, German lieutenant (d. 2012) |
| 80316 | July 15 | Birth | 1919 – Iris Murdoch, Irish-English philosopher and author (d. 1999) |
| 80317 | July 15 | Birth | 1920 – D. V. Narasa Raju, Indian director and screenwriter (d. 2006) |
| 80318 | July 15 | Birth | 1921 – Jack Beeson, American pianist and composer (d. 2010) |
| 80319 | July 15 | Birth | 1921 – Henri Colpi, Swiss-French director and screenwriter (d. 2006) |
| 80320 | July 15 | Birth | 1921 – Robert Bruce Merrifield, American biochemist and academic, Nobel Prize laureate (d. 2006) |
| 80321 | July 15 | Birth | 1922 – Leon M. Lederman, American physicist and mathematician, Nobel Prize laureate |
| 80322 | July 15 | Birth | 1923 – Philly Joe Jones, American drummer (d. 1985) |
| 80323 | July 15 | Birth | 1924 – Jeremiah Denton, American admiral and politician (d. 2014) |
| 80324 | July 15 | Birth | 1925 – Philip Carey, American actor (d. 2009) |
| 80325 | July 15 | Birth | 1925 – Taylor Hardwick, American architect, designed Haydon Burns Library and Friendship Fountain Park (d. 2014) |
| 80326 | July 15 | Birth | 1926 – Driss Chraïbi, Moroccan-French journalist and author (d. 2007) |
| 80327 | July 15 | Birth | 1926 – Leopoldo Galtieri, Argentinian general and politician, 44th President of Argentina (d. 2003) |
| 80328 | July 15 | Birth | 1926 – Raymond Gosling, English physicist and academic (d. 2015) |
| 80329 | July 15 | Birth | 1927 – Ann Jellicoe, English actress, director, and playwright |
| 80330 | July 15 | Birth | 1927 – Nan Martin, American actress (d. 2010) |
| 80331 | July 15 | Birth | 1927 – Gloria Pall, American model and actress (d. 2012) |
| 80332 | July 15 | Birth | 1927 – Joe Turkel, American actor |
| 80333 | July 15 | Birth | 1927 – Carmen Zapata, American actress (d. 2014) |
| 80334 | July 15 | Birth | 1928 – Carl Woese, American microbiologist and biophysicist (d. 2012) |
| 80335 | July 15 | Birth | 1929 – Charles Anthony, American tenor and actor (d. 2012) |
| 80336 | July 15 | Birth | 1929 – Francis Bebey, Cameroonian-French guitarist (d. 2001) |
| 80337 | July 15 | Birth | 1929 – Ian Stewart, Scottish racing driver |
| 80338 | July 15 | Birth | 1930 – Jacques Derrida, Algerian-French philosopher and academic (d. 2004) |
| 80339 | July 15 | Birth | 1930 – Richard Garneau, Canadian journalist and sportscaster (d. 2013) |
| 80340 | July 15 | Birth | 1930 – Stephen Smale, American mathematician and computer scientist |