Haystack were a Swedish punk metal band, consisting of Uffe Cederlund (Entombed) on guitar and vocals, Jonas Lundberg (A-Bombs) on drums and Johan Blomqvist (Backyard Babies) on bass. They released two albums, Right at You in 1996 and Slave Me in 1998.

There was also an ill-fated 1960s British pop group by this name.

Haystack is also an incorrect name for the rapper Haystak.