Allan William Stewart (born 21 January 1977 in Coventry, England) is an English musician.
In recent years, he joined the Nine Inch Nails crew, for whom he is Stage Manager.
Stewart features on the Idlewild albums Warnings/Promises, Make Another World and Post Electric Blues, of which, on the latter he is also pictured on the cover.
Following Idlewild's hiatus in 2010, Stewart joined Glasgow band Holy Mountain with Pete Flett (drums) and Andy McGlone (vocals).
Stewart also commenced work as a guitar/bass/drum tech and Stage Manager for many popular touring bands, including Nine Inch Nails, Mogwai, The Jesus & Mary Chain, Franz Ferdinand, Primal Scream, Belle & Sebastian, Of Monsters and Men.