Mono Inc. is a German gothic rock band from Hamburg, founded in 2000.

MONO is a derivative of Monomania (German "Monomanie"), a term from the 19th century psychiatric disease theory, a form of partial insanity conceived as single pathological preoccupation in an otherwise sound mind. "Monomania Incorporated" means "Company of the partially insane" which was shortened to MONO INC. for the band's name. Mono Inc. was formed in 2000 by Miky Mono (lead vocals, bass), Carl Fornia (guitar), Chad Hauger(Cowbell) and Martin Engler (drums). Bass player Manuel Antoni joined in 2003, coinciding with the release of their self-published debut album Head Under Water. In 2004.