Turnstiles is the fourth studio album by American singer-songwriter Billy Joel, released May 19, 1976.

William Martin Joel is an American singer, songwriter and pianist. Commonly nicknamed the "Piano Man" after his signature 1973 song of the same name, Joel has had a successful music career as a solo artist since the 1970s. From 1971 to 1993, he released twelve studio albums that spanned the genres of pop and rock music, and in 2001 released a one-off studio album of classical music compositions. Joel is one of the world's best-selling music artists and the fourth-best-selling solo artist in the United States, with over 160 million records sold worldwide. His 1985 compilation album, Greatest Hits – Volume I & Volume II, is one of the best-selling albums in the United States.