Circle is a Finnish experimental rock band formed in Pori in 1991. Their eclectic, ever-changing style has been associated with genres such as krautrock, heavy metal, progressive rock, and ambient. On some albums they have defined themselves as New Wave of Finnish Heavy Metal (NWOFHM).

Jussi Lehtisalo is a Finnish musician. In 1991, he founded Circle, a prolific band drawing influences from heavy metal and krautrock to develop a style of repetitive experimental rock. He also runs a record label, Ektro Records, releasing his own music alongside left field rock and metal releases by artists such as Faust and Acid Mothers Temple.