Cero

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 chiefly in the West Indies
 * Computer Entertainment Rating Organization, the organization that rates video games and computer software in Japan
 * USS Cero, more than one United States Navy ship
 * Cero (TV channel) or #0, Spanish TV channel