Ann Lewis (アン・ルイス, An Ruisu, born 5 June 1956 in Takarazuka, Hyōgo, Japan) is a Japanese singer, popular in Japan in the 1970s and 80s. She was born to an American father and a Japanese mother. Her many hits include the popular song "Roppongi Shinju", covered many times since. She retired from show-business in the 1990s, suffering from panic attacks, and settled down in Los Angeles, running a jewellery design shop. She released a few self-covers albums in the 2000s.