Glen Matlock (born 27 August 1956) is an English musician best known for being the bass guitarist in the original line-up of the punk rock band the Sex Pistols. He is credited as a co-author on 10 of the 12 songs on Never Mind the Bollocks, Here's the Sex Pistols, although he had left the band by the time the record was released. He also continues to make his own records and tour with various bands, including the Sex Pistols.