| 143161 | December 20 | Birth | 1940 – Pat Chapman, English chef and author, founded The Curry Club |
| 143162 | December 20 | Birth | 1941 – Tommy Cole, American actor, singer, and makeup artist |
| 143163 | December 20 | Birth | 1942 – Rana Bhagwandas, Pakistani lawyer and judge, Chief Justice of Pakistan (d. 2015) |
| 143164 | December 20 | Birth | 1942 – Bob Hayes, American sprinter and football player (d. 2002) |
| 143165 | December 20 | Birth | 1942 – Jean-Claude Trichet, French banker and economist |
| 143166 | December 20 | Birth | 1944 – Bobby Colomby, American drummer and producer (Blood, Sweat & Tears) |
| 143167 | December 20 | Birth | 1944 – Jimmie F. Skaggs, American actor (d. 2004) |
| 143168 | December 20 | Birth | 1945 – Peter Criss, American singer-songwriter, drummer, and producer (Kiss, Wicked Lester, and Chelsea) |
| 143169 | December 20 | Birth | 1945 – Sivakant Tiwari, Indian-Singaporean lawyer and author (d. 2010) |
| 143170 | December 20 | Birth | 1946 – Uri Geller, Israeli-English magician and psychic |
| 143171 | December 20 | Birth | 1946 – Lesley Judd, English dancer and television host |
| 143172 | December 20 | Birth | 1946 – Lloyd Mumphord, American football player |
| 143173 | December 20 | Birth | 1946 – Sonny Perdue, American captain and politician, 81st Governor of Georgia |
| 143174 | December 20 | Birth | 1946 – John Spencer, American actor (d. 2005) |
| 143175 | December 20 | Birth | 1946 – Dick Wolf, American director, producer, and screenwriter, created Law & Order franchise |
| 143176 | December 20 | Birth | 1947 – Roger Alton, English journalist |
| 143177 | December 20 | Birth | 1947 – Gigliola Cinquetti, Italian singer-songwriter |
| 143178 | December 20 | Birth | 1947 – Bo Ryan, American basketball player and coach |
| 143179 | December 20 | Birth | 1948 – Alan Parsons, English keyboard player and producer (The Alan Parsons Project) |
| 143180 | December 20 | Birth | 1948 – Carol Smart, English sociologist and academic |
| 143181 | December 20 | Birth | 1948 – Mitsuko Uchida, Japanese-English pianist |
| 143182 | December 20 | Birth | 1948 – Stevie Wright, English-Australian singer-songwriter (The Easybeats) |
| 143183 | December 20 | Birth | 1949 – Soumaïla Cissé, Malian engineer and politician |
| 143184 | December 20 | Birth | 1949 – Cecil Cooper, American baseball player and manager |
| 143185 | December 20 | Birth | 1949 – Oscar Gamble, American baseball player |
| 143186 | December 20 | Birth | 1949 – Leigh Hamilton, New Zealand-American actress (d. 2012) |
| 143187 | December 20 | Birth | 1950 – Geoffrey Grimmett, English mathematician and academic |
| 143188 | December 20 | Birth | 1950 – Arturo Márquez, Mexican-American composer |
| 143189 | December 20 | Birth | 1951 – Lynne Featherstone, English blogger and politician |
| 143190 | December 20 | Birth | 1951 – Christopher Le Brun, English painter and sculptor |