Knifeworld is a British-based psychedelic rock band led by Kavus Torabi. Originally a Torabi solo project, it became a full band in summer 2009.

Kavus Torabi is a British-Iranian musician, composer, record label owner and radio broadcaster. A multi-instrumentalist, he is known for his work in the psychedelic, avant-garde rock field. Torabi was one of the founding members of the Monsoon Bassoon, was a member of cult progressive rock group Cardiacs, and fronts and plays guitar for the current lineup of legendary psychedelic band Gong.