Jeff Hironaka (born 1956 or 1957) is an American basketball coach for Genesis Prep since 2020. Before joining the Post Falls, Idaho school, Hironaka primarily coached at Weiser High School during the 1980s for five years. After briefly coaching at Ririe High School and Blackfoot High School for a year each, Hironaka became an assistant coach for Idaho State University in 1987. He then became an assistant coach at The Master's College in 1990. With the Seattle Pacific Falcons, Hironaka became an assistant coach in 1991 before becoming their coach in 2002.
With Seattle Pacific, Hironaka was "the second Japanese-American to coach basketball at a four-year university".[1] After his team appeared at the 2006 NCAA Division II men's basketball tournament semifinals, Hironaka had 134 wins and 67 losses before his position ended in 2009. Between 2009 and 2016, Hironaka held assistant positions with the Washington State Cougars men's basketball team and the Portland State Vikings. In 2017, Hironaka joined the men's basketball team for the Colorado Christian Cougars. With Colorado Christian, Hironaka had 16 wins and 68 losses before leaving for Genesis Prep in 2020.