Peta can refer to: peta-, an SI prefix denoting a factor of 1015 Peta, Greece, a town in Greece Peta, the Pāli word for a Preta, or hungry ghost in Buddhism Peta Hall, a well known Rhodesian-Canadian potter Peta Wilson, an Australian actress and model Peta (MÄR), a fictional character in the manga and anime series MÄR Peta (cat), former resident Downing Street cat and holder of the post of Chief mouser to the cabinet office 1964-78 PETA's an acronym that can refer to: Peo… (More on Peta)