Ibaraki (surname)

Ibaraki or Ibaragi (茨木) is a Japanese surname. Notable people with the surname include:
 * Mitsuba Ibaraki (born 1988), Japanese footballer
 * Noriko Ibaragi (茨木 のり子, 1926–2006), Japanese writer
 * Stephen Ibaraki, Canadian information technology professional
 * Toshihide Ibaraki (茨木 俊秀, born 1940), Japanese computer scientist