Illustrious may refer to:
HMS Illustrious, five ships in the Royal Navy Illustrious (album), a 2008 hip hop album by Big Noyd Illustrious class aircraft carrier, a class of aircraft carrier of the Royal Navy Illustrious Highness, a form of address for Germanic nobility Mari Illustrious Makinami, fictional character of Rebuild of Evangelion
See also Antiochus IV Epiphanes