999 are an English punk rock band, formed in London in December 1976.

From the period of 1976 to 1985, the line-up of 999 consisted of Nick Cash (vocals, guitar), Guy Days (lead guitar), Jon Watson (bass guitar) and Pablo LaBrittain (drums). LaBrittain was temporarily replaced in 1980 by drummer Paul Edward aka 'Ed Case' while he recovered from a motor accident. Bassist Jon Watson left the band in 1985 and was replaced by Danny Palmer, who was succeeded by Arturo Bassick in 1991.