Hiroyuki Nagao(長尾寛征, Nagao Hiroyuki; born 28 August 1980 in Yokohama) is a Japanese slalom canoeist who competed at the international level from 2003 to 2011. He was eliminated in the semifinals of the C2 event at the 2008 Summer Olympics in Beijing, finishing in 9th place.

His partner in the C2 boat from 2007 to 2011 was Masatoshi Sanma.

World Cup individual podiums

SeasonDateVenuePositionEvent
200818 May 2008Nakhon Nayok2ndC21

1 Asia Canoe Slalom Championship counting for World Cup points