| 140341 | December 12 | Death | 1975 – Richard Baggallay, English army officer and cricketer (b. 1884) |
| 140342 | December 12 | Death | 1976 – Jack Cassidy, American actor (b. 1927) |
| 140343 | December 12 | Death | 1976 – Vinko Žganec, Croatian lawyer and musicologist (b. 1890) |
| 140344 | December 12 | Death | 1977 – Clementine Churchill, Baroness Spencer-Churchill, English wife of Winston Churchill (b. 1885) |
| 140345 | December 12 | Death | 1978 – Fay Compton, English actress and singer (b. 1894) |
| 140346 | December 12 | Death | 1980 – Jean Lesage, Canadian lawyer and politician, 19th Premier of Quebec (b. 1912) |
| 140347 | December 12 | Death | 1983 – Amza Pellea, Romanian actor (b. 1931) |
| 140348 | December 12 | Death | 1985 – Anne Baxter, American actress and singer (b. 1923) |
| 140349 | December 12 | Death | 1986 – Paul Verner, German politician (b. 1911) |
| 140350 | December 12 | Death | 1987 – Enrique Jorrín, Cuban violinist and composer (b. 1926) |
| 140351 | December 12 | Death | 1990 – Concha Piquer, Spanish singer and actress (b. 1908) |
| 140352 | December 12 | Death | 1992 – Suzanne Lilar, Belgian author and playwright (b. 1901) |
| 140353 | December 12 | Death | 1993 – József Antall, Hungarian historian and politician, 35th Prime Minister of Hungary (b. 1932) |
| 140354 | December 12 | Death | 1994 – Stuart Roosa, American colonel, pilot, and astronaut (b. 1933) |
| 140355 | December 12 | Death | 1996 – Vance Packard, American journalist, author, and critic (b. 1914) |
| 140356 | December 12 | Death | 1997 – Evgenii Landis, Ukrainian-Russian mathematician and academic (b. 1921) |
| 140357 | December 12 | Death | 1998 – Lawton Chiles, American soldier, lawyer, and politician, 41st Governor of Florida (b. 1930) |
| 140358 | December 12 | Death | 1998 – Marco Denevi, Argentinian author and screenwriter (b. 1922) |
| 140359 | December 12 | Death | 1999 – Paul Cadmus, American painter and illustrator (b. 1904) |
| 140360 | December 12 | Death | 1999 – Joseph Heller, American author and playwright (b. 1923) |
| 140361 | December 12 | Death | 2000 – George Montgomery, American actor, stuntman, director, producer, and screenwriter (b. 1916) |
| 140362 | December 12 | Death | 2000 – Ndabaningi Sithole, Zimbabwean militant leader, founded Zimbabwe African National Union (b. 1920) |
| 140363 | December 12 | Death | 2001 – Ardito Desio, Italian geologist and explorer (b. 1897) |
| 140364 | December 12 | Death | 2001 – Jean Richard, French actor and singer (b. 1921) |
| 140365 | December 12 | Death | 2002 – Dee Brown, American historian and author (b. 1908) |
| 140366 | December 12 | Death | 2003 – Heydar Aliyev, Azerbaijani general and politician, 3rd President of Azerbaijan (b. 1923) |
| 140367 | December 12 | Death | 2003 – Keiko, Icelandic-Norwegian whale (b. 1976) |
| 140368 | December 12 | Death | 2003 – Gangodawila Soma Thero, Sri Lankan monk (b. 1948) |
| 140369 | December 12 | Death | 2005 – Ramanand Sagar, Indian director, producer, and screenwriter (b. 1917) |
| 140370 | December 12 | Death | 2005 – Annette Stroyberg, Danish actress (b. 1936) |