Andrew Michael "Andy" Stewart (born 8 September 1952, Alyth, Perthshire) is a Scottish singer and songwriter, formerly the frontman for Silly Wizard.

Stewart toured with Silly Wizard until the band broke up in 1988. Since then, he has recorded four solo albums, as well as three with Manus Lunny. Several of Stewart's songs have become well-known within the folk community, including "The Ramblin' Rover", "Golden, Golden", "The Queen of Argyll", and "The Valley of Strathmore". In addition, his renditions of classic Robert Burns songs have been well received.