Cognomen Kuia (Kuia 
) , throughout the world, is a rare surname. The cognomen Kuia is characteristic of Angola, where it is a rare surname, Malaysia, where it is a very rare surname, and the United States, where it is an extremely rare surname. Not in comparison with a country's population, it most frequently occurs in Angola, Malaysia, and India. Very seldom, Kuia is the forename as well as the last name.