Cero or CERO may refer to:
Cero (band), a Japanese pop band from Tokyo (2004–present) Cero (fish), a large food and game fish of the scombroid family, found mainly in the West Indies Computer Entertainment Rating Organization, the organization that rates video games and computer software in Japan , more than one United States Navy ship Cero (TV channel) or #0, Spanish TV channel Cero, an attack used by Hollows in the Bleach manga and television series See also Cerro (disambiguation) Serro, a municipality in Minas Gerais, Brazil