The following is a list of notable world figures who died on January 12.

  1. 1321 - Maria of Brabant, wife of Philip III of France (b. 1256)
  2. 1519 - Maximilian I, Holy Roman Emperor (b. 1459)
  3. 1583 - Fernando Álvarez de Toledo, Duke of Alva, Governor of the Spanish Netherlands (b. 1508)
  4. 1665 - Pierre de Fermat, French mathematician and lawyer (b. 1601)
  5. 1674 - Giacomo Carissimi, Italian composer (b. 1605)
  6. 1700 - Marguerite Bourgeoys, Saint (b.1620)
  7. 1705 - Luca Giordano, Italian artist (b. 1634)
  8. 1732 - John Horsley, British archaeologist
  9. 1735 - John Eccles, English composer (b. 1668)
  10. 1759 - Anne, Princess Royal and Princess of Orange, (b. 1709)
  11. 1777 - Hugh Mercer, American Revolutionary War officer (mortally wounded in battle)
  12. 1781 - Richard Challoner, English Catholic prelate (b. 1691)
  13. 1817 - Juan Andres, Spanish Jesuit (b. 1740)
  14. 1834 - William Wyndham Grenville, 1st Baron Grenville, Prime Minister of the United Kingdom (b. 1759)
  15. 1909 - Hermann Minkowski, German mathematician (b. 1864)
  16. 1940 - Edward Smith, English soldier (b. 1899)
  17. 1943 - Jan Campert, Dutch journalist and writer (b. 1902)
  18. 1944 - Lance C. Wade, American pilot (b. 1915)
  19. 1956 - Norman Kerry, American actor (b. 1894)
  20. 1960 - Nevil Shute, English writer (b. 1899)
  21. 1962 - Ariadna Tyrkova-Williams, Russian writer and feminist (b. 1869)
  22. 1965 - Lorraine Hansberry, American writer (b. 1936)
  23. 1976 - Agatha Christie, English writer (b. 1890)
  24. 1983 - Nikolai Podgorny, President of the USSR (b. 1903)
  25. 1991 - Keye Luke, Chinese-born actor (b. 1904)
  26. 1996 - Joachim Nitsche, German mathematician (b. 1926)
  27. 1997 - Charles B. Huggins, Canadian-born cancer researcher, recipient of the Nobel Prize in Physiology or Medicine (b. 1901)
  28. 1999 - Betty Lou Gerson, American voice actress (b. 1914)
  29. 1999 - Doug Wickenheiser, Canadian ice hockey player (b. 1961)
  30. 2000 - Marc Davis, American animator (b. 1913)
  31. 2000 - Bobby Phills, American basketball player (b. 1969)
  32. 2001 - Affirmed, American racehorse (b. 1975)
  33. 2001 - William Hewlett, American engineer and businessman (b. 1913)
  34. 2002 - Stanley Unwin, South African comedian (b. 1911)
  35. 2002 - Cyrus Vance, 57th U.S. Secretary of State (b. 1917)
  36. 2003 - Kinji Fukasaku, Japanese director (b. 1930)
  37. 2003 - Leopoldo Galtieri, dictator of Argentina (b. 1926)
  38. 2003 - Maurice Gibb, British singer, songwriter, and musician (Bee Gees) (b. 1949)
  39. 2003 - Brandon Vedas, Internet drug abuser. (b. 1981)
  40. 2004 - Olga Aleksandrovna Ladyzhenskaya, Russian mathematician (b. 1921)
  41. 2005 - Amrish Puri, Indian actor (b. 1932)
  42. 2005 - Edmund S. Valtman, Estonian-born cartoonist (b. 1914)