| 145411 | December 26 | Birth | 1923 – Richard Artschwager, American painter, illustrator, and sculptor (d. 2013) |
| 145412 | December 26 | Birth | 1924 – Frank Broyles, American football player, coach, and sportscaster |
| 145413 | December 26 | Birth | 1926 – Earle Brown, American composer (d. 2002) |
| 145414 | December 26 | Birth | 1926 – Gina Pellón, Cuban-French painter and poet (d. 2014) |
| 145415 | December 26 | Birth | 1927 – Denis Gifford, English journalist and historian (d. 2000) |
| 145416 | December 26 | Birth | 1927 – Alan King, American actor, producer, and screenwriter (d. 2004) |
| 145417 | December 26 | Birth | 1927 – Stu Miller, American baseball player (d. 2015) |
| 145418 | December 26 | Birth | 1927 – Denis Quilley, English actor (d. 2003) |
| 145419 | December 26 | Birth | 1929 – Régine Zylberberg, Belgian-French singer and night-club impresaria |
| 145420 | December 26 | Birth | 1930 – Jean Ferrat, French singer-songwriter (d. 2010) |
| 145421 | December 26 | Birth | 1930 – Harry Gamble, American football player, coach, and manager (d. 2014) |
| 145422 | December 26 | Birth | 1930 – Donald Moffat, English-American actor |
| 145423 | December 26 | Birth | 1933 – Ugly Dave Gray, English-Australian actor and singer |
| 145424 | December 26 | Birth | 1933 – Olavi Salsola, Finnish runner (d. 1995) |
| 145425 | December 26 | Birth | 1933 – Caroll Spinney, American puppeteer and voice actor |
| 145426 | December 26 | Birth | 1935 – Abdul "Duke" Fakir, American singer (Four Tops) |
| 145427 | December 26 | Birth | 1935 – Norm Ullman, Canadian ice hockey player |
| 145428 | December 26 | Birth | 1936 – Peep Jänes, Estonian architect |
| 145429 | December 26 | Birth | 1936 – Trevor Taylor, English race car driver (d. 2010) |
| 145430 | December 26 | Birth | 1937 – John Horton Conway, English-American mathematician and academic |
| 145431 | December 26 | Birth | 1937 – Jay Heimowitz, American poker player |
| 145432 | December 26 | Birth | 1938 – Bahram Beyzai, Iranian director, producer, and screenwriter |
| 145433 | December 26 | Birth | 1938 – Robert Hamerton-Kelly, South African-American pastor, scholar, and author (d. 2013) |
| 145434 | December 26 | Birth | 1938 – Alamgir Kabir, Bangladeshi director, producer, and screenwriter (d. 1989) |
| 145435 | December 26 | Birth | 1938 – Mirko Kovač, Yugoslav novelist, playwright and screenwriter (d. 2013) |
| 145436 | December 26 | Birth | 1939 – Fred Schepisi, Australian director and screenwriter |
| 145437 | December 26 | Birth | 1939 – Phil Spector, American singer-songwriter and producer (The Teddy Bears) |
| 145438 | December 26 | Birth | 1940 – Edward C. Prescott, American economist and academic, Nobel Prize laureate |
| 145439 | December 26 | Birth | 1940 – Ray Sadecki, American baseball player (d. 2014) |
| 145440 | December 26 | Birth | 1941 – Daniel Schmid, Swiss actor, director, and screenwriter (d. 2006) |