Front Line Assembly (FLA) is a Canadian electro-industrial band formed by Bill Leeb in 1986 after leaving Skinny Puppy. FLA has developed its own sound incorporating elements of electronic body music and electro-industrial. The band's membership has rotated through the years, including Michael Balch, Rhys Fulber, and Chris Peterson, all of whom are associated with several other acts.

Since their inception, the group have produced over a dozen studio albums and EPs, several of which have charted on Billboard's Top Dance/Electronic Album chart. The albums Tactical Neural Implant and Hard Wired are two of the group's most successful records, the former being considered a classic among industrial music fans. They have also produced soundtracks for video games such as Quake III: Team Arena (a collaboration with Sonic Mayhem) and AirMech.

Over the years, the band's name has sometimes been published as "Front Line Assembly", and sometimes as "Frontline Assembly". The former spelling is the most common, and the band's members have stated that the version with three separate words is preferred.