Tinderbox is the seventh studio album by the English rock band Siouxsie and the Banshees. It was released on 21 April 1986 by Wonderland and Polydor Records in the United Kingdom and by Geffen Records in the United States. It was the band's first full-length effort recorded with then-new guitarist John Valentine Carruthers; Carruthers had previously only added a few parts on the 1984 EP The Thorn. The first recording sessions for the album took place at Hansa by the Wall in Berlin in May 1985.