Mio Oichi (音市 美音, Oichi Mio, born February 10, 1992) is a Japanese food activist and former AV actress. She is affiliated with Arche Production. Her body measurements are 80-54-80 (C cup) and she is 1.60 m tall (S type). In September 2011, she made her AV debut as an exclusive actress for kawaii*. She was active as an AV actress on and off between 2011 and 2018.