| 144211 | December 23 | Birth | 1935 – Abdul Ghani Minhat, Malaysian footballer and manager (d. 2012) |
| 144212 | December 23 | Birth | 1935 – Esther Phillips, American singer (d. 1984) |
| 144213 | December 23 | Birth | 1936 – Frederic Forrest, American actor |
| 144214 | December 23 | Birth | 1937 – Avi, American author |
| 144215 | December 23 | Birth | 1937 – Barney Rosenzweig, American screenwriter and producer |
| 144216 | December 23 | Birth | 1937 – Nelson Shanks, American painter (d. 2015) |
| 144217 | December 23 | Birth | 1938 – Bob Kahn, American computer scientist and engineer, co-developed the Transmission Control Protocol |
| 144218 | December 23 | Birth | 1939 – Nancy Graves, American artist (d. 1995) |
| 144219 | December 23 | Birth | 1939 – La Lupe, Cuban-American singer-songwriter (d. 1992) |
| 144220 | December 23 | Birth | 1940 – Jorma Kaukonen, American singer-songwriter and guitarist (Jefferson Airplane and Hot Tuna) |
| 144221 | December 23 | Birth | 1940 – Robert Labine, Canadian politician |
| 144222 | December 23 | Birth | 1940 – Eugene Record, American singer-songwriter and producer (The Chi-Lites) (d. 2005) |
| 144223 | December 23 | Birth | 1941 – Peter Davis, English businessman |
| 144224 | December 23 | Birth | 1941 – Tim Hardin, American singer-songwriter (d. 1980) |
| 144225 | December 23 | Birth | 1941 – Serge Reding, Belgian weightlifter (d. 1975) |
| 144226 | December 23 | Birth | 1942 – Quentin Bryce, Australian lawyer and politician, 25th Governor-General of Australia |
| 144227 | December 23 | Birth | 1942 – John Peterman, American businessman, founded The J. Peterman Company |
| 144228 | December 23 | Birth | 1943 – Ron Allen, American baseball player |
| 144229 | December 23 | Birth | 1943 – Mikhail Leonidovich Gromov, Russian-French mathematician and academic |
| 144230 | December 23 | Birth | 1943 – Elizabeth Hartman, American actress (d. 1987) |
| 144231 | December 23 | Birth | 1943 – Harry Shearer, American actor, singer, producer, and screenwriter |
| 144232 | December 23 | Birth | 1943 – Queen Silvia of Sweden |
| 144233 | December 23 | Birth | 1944 – Wesley Clark, American general |
| 144234 | December 23 | Birth | 1945 – Adly Mansour, Egyptian lawyer, judge, and politician, President of Egypt |
| 144235 | December 23 | Birth | 1945 – Geoffrey Wheatcroft, English journalist and author |
| 144236 | December 23 | Birth | 1946 – Edita Gruberová, Slovak soprano and actress |
| 144237 | December 23 | Birth | 1946 – Susan Lucci, American actress |
| 144238 | December 23 | Birth | 1946 – John Sullivan, English screenwriter, producer, and composer (d. 2011) |
| 144239 | December 23 | Birth | 1946 – Ray Tabano, American guitarist (Aerosmith) |
| 144240 | December 23 | Birth | 1947 – Graham Bonnet, English singer-songwriter (The Marbles, Rainbow, Anthem, and Michael Schenker Group) |