Fleshquartet (Swedish: Fläskkvartetten) is a Swedish band. Despite the band's name, Fläskkvartetten is in reality a quintet consisting of an electrical string quartet plus a percussionist. The band often collaborates with vocalists who comprise a veritable Who's Who of Swedish alternative music. The musical style ranges from classical string music to experimental rock.

Fläskkvartetten won a Grammis award for best album with their 1993 album "Flow".