Mari Hamada (浜田麻里, Hamada Mari, born July 18, 1962 in Nishi-Shinjuku, Tokyo, Japan, height 158cm) is a Japanese heavy metal and pop rock singer, songwriter, and producer. Since her debut in 1983, Hamada has been known as the "Heavy Metal Queen" of Japan. Throughout her career, she has released 25 singles and 23 studio albums.