Nishioka

Nishioka (written: 西岡 lit. "western hill") is a Japanese surname. Notable people with the surname include:


 * Daiki Nishioka (西岡 大輝), Japanese footballer
 * Haru Nishioka (西岡 ハル), Japanese businessman and politician
 * Hayward Nishioka (born 1942), American judoka
 * Kenta Nishioka (西岡 謙太), Japanese footballer
 * Risa Nishioka (西岡 里紗), Japanese women's basketball player
 * Rodger Nishioka, American educator
 * Shiho Nishioka (西岡 詩穂), Japanese fencer
 * Takeo Nishioka (西岡 武夫), Japanese politician
 * Toshiaki Nishioka (西岡 利晃), Japanese boxer
 * Tsunekazu Nishioka (西岡 常一), Japanese carpenter
 * Nishioka Tsuneo (西岡 常夫), Japanese martial artist
 * Tsutomu Nishioka (西岡 力), Japanese academic
 * Tsuyoshi Nishioka (西岡 剛), Japanese baseball player
 * Yoshie Nishioka (西岡 由恵), Japanese swimmer
 * Yoshihito Nishioka (西岡 良仁), Japanese tennis player
 * Ryusei Nishioka (西岡隆成, born 2003), Japanese trampoline gymnast