Hirooka

Hirooka (written: 広岡 or 廣岡) is a Japanese surname. Notable people with the surname include:


 * Asako Hirooka (広岡 浅子), Japanese businesswoman, banker and college founder
 * Ryan Yuki Hirooka (広岡 勇輝), Japanese footballer
 * Taishi Hirooka (廣岡 大志), Japanese baseball player
 * Tatsuro Hirooka (広岡 達朗), Japanese baseball player