Noriko Sakai (酒井 法子 Sakai Noriko, born February 14, 1971) is a Japanese pop singer and actress. She was born in Fukuoka, Fukuoka Prefecture, Japan. She married Yūichi Takasō (高相 祐一 Takasō Yūichi) in 1998, and divorced on July 31, 2010. She and Yūichi have one son, born in 1999. She is particularly popular in Hong Kong and Taiwan. Her best-selling single to date is Aoi Usagi (碧いうさぎ, "blue rabbit").