| 71791 | June 23 | Birth | 1934 – Bill Torrey, Canadian businessman |
| 71792 | June 23 | Birth | 1935 – Maurice Ferré, Puerto Rican-American politician, 32nd Mayor of Miami |
| 71793 | June 23 | Birth | 1935 – Keith Burkinshaw, English footballer and manager |
| 71794 | June 23 | Birth | 1936 – Richard Bach, American pilot and author |
| 71795 | June 23 | Birth | 1936 – Costas Simitis, Greek economist, lawyer, and politician, 180th Prime Minister of Greece |
| 71796 | June 23 | Birth | 1937 – Martti Ahtisaari, Finnish captain and politician, 10th President of Finland, Nobel Prize laureate |
| 71797 | June 23 | Birth | 1937 – Alan Haselhurst, English academic and politician |
| 71798 | June 23 | Birth | 1937 – Niki Sullivan, American singer-songwriter and guitarist (The Crickets) (d. 2004) |
| 71799 | June 23 | Birth | 1938 – John Hayes, English politician, Minister of State at the Department of Energy and Climate Change |
| 71800 | June 23 | Birth | 1940 – Adam Faith, English singer, actor, and journalist (d. 2003) |
| 71801 | June 23 | Birth | 1940 – Derry Irvine, Baron Irvine of Lairg, Scottish lawyer, judge, and politician, Lord High Chancellor of Great Britain |
| 71802 | June 23 | Birth | 1940 – Mike Shrimpton, New Zealand cricketer and coach (d. 2015) |
| 71803 | June 23 | Birth | 1940 – Wilma Rudolph, American runner (d. 1994) |
| 71804 | June 23 | Birth | 1940 – Stuart Sutcliffe, Scottish bass player (The Beatles) (d. 1962) |
| 71805 | June 23 | Birth | 1941 – Robert Hunter, American singer-songwriter and guitarist (The Grateful Dead) |
| 71806 | June 23 | Birth | 1941 – Roger McDonald, Australian author and screenwriter |
| 71807 | June 23 | Birth | 1942 – Martin Rees, Baron Rees of Ludlow, English cosmologist and astrophysicist |
| 71808 | June 23 | Birth | 1943 – Patrick Bokanowski, French filmmaker |
| 71809 | June 23 | Birth | 1943 – Vint Cerf, American computer scientist and engineer |
| 71810 | June 23 | Birth | 1943 – Ellyn Kaschak, American psychologist and academic |
| 71811 | June 23 | Birth | 1943 – James Levine, American pianist and conductor |
| 71812 | June 23 | Birth | 1944 – Ingrīda Andriņa, Latvian actress (d. 2015) |
| 71813 | June 23 | Birth | 1944 – Rosetta Hightower, American-English singer (The Orlons) (d. 2014) |
| 71814 | June 23 | Birth | 1945 – Kjell Albin Abrahamson, Swedish journalist and author |
| 71815 | June 23 | Birth | 1945 – John Garang, Sudanese colonel and politician, President of Southern Sudan (d. 2005) |
| 71816 | June 23 | Birth | 1946 – Julian Hipwood, English polo player and coach |
| 71817 | June 23 | Birth | 1946 – Ted Shackelford, American actor |
| 71818 | June 23 | Birth | 1947 – Bryan Brown, Australian actor and producer |
| 71819 | June 23 | Birth | 1948 – Myles Goodwyn, Canadian singer-songwriter, guitarist, and producer (April Wine) |
| 71820 | June 23 | Birth | 1948 – Luther Kent, American singer (Blood, Sweat & Tears) |