Cognomen Кеу (Kaeo 
, Кеу 
) , in all the world, is a rare last name. The surname Кеу is habitual in Ireland, where it is a rare surname, Malaysia, where it is a very rare surname, and the United States. Not in comparison with a country's population, it most frequently occurs in the United States, Malaysia, and Thailand. Likewise, Кеу is the forename as well as the last name.