Masuoka

Masuoka (written: 増岡 or 舛岡) is a Japanese surname. Notable people with the surname include:


 * Fujio Masuoka (舛岡 富士雄), Japanese engineer
 * Hiroshi Masuoka (rally driver) (増岡 浩), Japanese rally driver
 * Hiroshi Masuoka (voice actor) (増岡 弘), Japanese voice actor