Sonoko Inoue (井上 苑子, Inoue Sonoko, born December 11, 1997 in Kobe, Hyōgo Prefecture) is a Japanese singer, songwriter and actress. She lived in Osaka, Osaka Prefecture until junior high school and moved to the Kantō region when she had a high school opportunity. She is nicknamed Son-chan (そんちゃん) and sonko.