Cognomen Coxi (Coxi 
) , in the entire world, is a rare surname. The cognomen Coxi is characteristic of Angola, where it is quite a rare surname, Portugal, where it is a rare surname, and the United Kingdom, where it is an extremely rare surname. Not in comparison with a country's population, it is commonest in Angola, Brazil, and Portugal. Much less frequently, Coxi is the forename as well as the last name.