Hiroyuki Enoki (榎 洋之 Enoki Hiroyuki, born 14 September 1979 in Akita, Akita, Japan) is a Japanese former professional boxer who fights at featherweight and is the former Japanese and OPBF featherweight champion.

[1] After twenty-one unbeaten fights Enoki beat Akinori Kanai for the Japanese featherweight title in January 2005.

Enoki challenged WBA featherweight champion, Chris John of Indonesia, October 24, 2008 at Korakuen Hall, Tokyo, Japan for a chance to win the world title, but finally lost the fight unanimously by scores of 110–118, 110-118 and 111–117.

[2][3] Enoki made appearances in NHK TV series, "Watashi no Aozora" in 2000.

[5] A former professional sumo wrestler, Takekaze Akira is his classmate at Kanaashi Agricultural High School.