Hiroshi Komiyama (小宮山 宏, Komiyama Hiroshi, born December 15, 1944) is a Japanese scientist.
He was the president of University of Tokyo from April 2005 to March 2009.
He is member of the World Knowledge Dialogue Scientific Board.
When he was an undergraduate, he belonged to the American football club at University of Tokyo.
Komiyama was awarded the Sheikh Mohammed bin Rashid Al Maktoum Knowledge Award in 2017.