Fusako Sano (佐野 房子, Sano Fusako, also known by the pseudonym Sachiko Yamada (山田 幸子, Yamada Sachiko)) (born November 28, 1980) is a Japanese woman who was kidnapped at age nine by Nobuyuki Satō (佐藤 宣行, Satō Nobuyuki), and held in captivity for nine years and two months from November 13, 1990, to January 28, 2000. In Japan, the case is also known as the " Niigata girl confinement incident" (新潟少女監禁事件, Niigata shōjo kankin jiken).