Hisashi Owada (??? ?, Owada Hisashi, born 18 September 1932) is a former Japanese jurist, diplomat and law professor, and served as a judge on the International Court of Justice from 2003 until June 7, 2018, and was President of the Court from 2009 to 2012.
He is the father-in-law of the incumbent Emperor of Japan, Naruhito.