Siouxsie Sioux (born Susan Janet Ballion; 27 May 1957) is an English singer-songwriter. She is best known as the lead singer of the critically acclaimed rock band Siouxsie and the Banshees (1976–1996) and of its splinter group The Creatures (1981–2005). Siouxsie is considered to be "one of the most influential British singers of the rock era". Her songs have been covered by Jeff Buckley, Tricky, Massive Attack, and LCD Soundsystem.

In 2011, she was awarded for Outstanding Contribution To Music at the Q Awards.