Malhavoc is a Canadian heavy metal band, formed in 1983 in Toronto, Ontario. The band's only constant member is singer and multi-instrumentalist James Cavalluzzo.
Starting out as an extreme metal act, the band soon employed elements from industrial music, becoming one of the earlier acts of industrial metal genre. The band is also known for its stage antics, which incorporated sadomasochism, nudity, role-playing violence and self-harm.