Cognomen エイケン (Aiken 
, Aichen 
, Eyken 
) , all over the world, is a common surname. The family name エイケン is characteristic of Jamaica, where it is quite a common surname, New Zealand, where it is quite a rare surname, and the United States. Not in comparison with a country's population, it is commonest in the United States, the United Kingdom, and Canada. Much less frequently, エイケン is the forename as well as the last name.