Killing Joke are an English rock band formed in October 1978 in Notting Hill, London, England. The original line-up included Jaz Coleman (vocals, keyboards), Paul Ferguson (drums), Geordie Walker (guitar) and Youth (bass). Although Coleman and Walker have been the only constant members of the band, the current line-up features all four original members.

Their first album, Killing Joke, was released in 1980. After the release of Revelations in 1982, bassist Youth was replaced by Paul Raven. The band achieved mainstream success in 1985 with both the album Night Time and the single 'Love Like Blood'.

A key influence on industrial rock, Killing Joke have influenced many later bands and artist.