The following is a list of notable world figures who died on January 15.

  1. 41 - Caligula, Roman Emperor (b. 12)
  2. 570 - Saint Ita, Irish nun
  3. 1595 - Murat III, Ottoman Sultan (b. 1546)
  4. 1672 - John Cosin, English clergyman (b. 1594)
  5. 1683 - Philip Warwick, English writer and politician (b. 1609)
  6. 1781 - Marianne Victoria of Borbón, queen regent of Portugal (b. 1718)
  7. 1790 - John Landen, English mathematician (b. 1719)
  8. 1804 - Dru Drury, English entomologist (b. 1725)
  9. 1915 - Mary Slessor, Scottish missionary (b. 1848)
  10. 1919 - Rosa Luxemburg, German politician (b. 1870)
  11. 1945 - Wilhelm Wirtinger, Austrian mathematician (b. 1865)
  12. 1947 - Elizabeth Short, the Black Dahlia, (b. 1924)
  13. 1955 - Yves Tanguy, French painter (b. 1900)
  14. 1964 - Jack Teagarden, American musician (b. 1905)
  15. 1967 - David Burliuk, Ukrainian artist (b. 1882)
  16. 1973 - Ivan Petrovsky, Russian mathematician (b. 1901)
  17. 1973 - Coleman Francis, American film director (b. 1919)
  18. 1983 - Meyer Lansky, Russian-born gangster (b. 1902)
  19. 1987 - Ray Bolger, American actor, singer, and dancer (b. 1904)
  20. 1988 - Seán MacBride, Irish statesman, recipient of the Nobel Peace Prize (b. 1904)
  21. 1990 - Gordon Jackson, Scottish actor (b. 1923)
  22. 1993 - Sammy Cahn, American songwriter (b. 1913)
  23. 1994 - Harry Nilsson, American musician (b. 1941)
  24. 1996 - Les Baxter, American musician and composer (b. 1922)
  25. 1996 - Paramount Chief Moshoeshoe II of Lesotho (b. 1938)
  26. 1998 - Junior Wells, American musician (b. 1934)
  27. 2000 - Željko Ražnatovic, Serbian leader (b. 1952)
  28. 2000 - Fran Ryan, American actress (b. 1916)
  29. 2001 - Ted Mann, American screenwriter (b. 1916)
  30. 2002 - Steve Gromek, Baseball player (b. 1920)
  31. 2003 - Doris Fisher, American singer and songwriter (b. 1915)
  32. 2005 - Deem Bristow, American video game voice actor (b. 1947)
  33. 2005 - Victoria de los Angeles, Catalan soprano (b. 1923)
  34. 2005 - Walter Ernsting, German author (b. 1920)
  35. 2005 - Elizabeth Janeway, American author (b. 1913)
  36. 2005 - Dan Lee, Canadian animator (b. 1969)
  37. 2005 - Ruth Warrick, American actress (b. 1915)
  38. 2006 - Jaber Al-Ahmad Al-Jaber Al-Sabah, Emir of Kuwait (b. 1926)