Jon Klein (sometimes credited as John Klein or John Kline) (born 9 May 1960, Bristol, England) is an English guitarist, best known for his work with the seminal gothic rock band Specimen.
Klein was a co-founder of the London club The Batcave, the epicenter of the UK goth scene in the early 1980s.
He was also a founding member of the late 1970s new wave band Europeans, and was a member of Siouxsie and the Banshees from 1988 to 1995.