Miu Arioka (有岡 みう, Arioka Miu, born August 17, 1995) is a Japanese AV actress from Tokyo who is affiliated with T-Powers. Her former stage name is Mikuru Shiiba (椎葉 みくる, Shība Mikuru).

Her body measurements are 96-60-89 cm (38-24-35 in), she has I cup, her height is 1.63 m ( 5′ 5″) and her blood type is O. Her hobbies are anime, cosplay and cooking.