Koichi Miyazaki (宮崎こういち, "Miyazaki Koichi", October 20, 1942; - September 30, 2014 [age 71], ) is a Japanese musician and side guitarist for The Jaguars, Japan's most popular Group Sound band during the 1960s. His birth name was Koichiro Miyazaki (̠宮崎紘一郎, "Miyazaki Kōichirō"). 