- any of several gallinaceous birds of the genera Pavo, of India, Sri Lanka, southeastern Asia, and the East Indies, and Afropavo, of Africa.
- either of two large pheasants, Pavo cristatus (blue peafowl) of India and Ceylon and P. muticus (green peafowl) of SE Asia. The males (peacocks) have a characteristic bright plumage
- a rare closely related African species, Afropavo congensis (Congo peafowl), both sexes of which are brightly coloured