Cognomen Wardein (Warden 
, Wardein 
) , throughout the world, is a common family name. The surname Wardein is characteristic of Barbados, where it is quite a rare surname, the United Kingdom, and the United States. Not in comparison with a country's population, the name is most common in the United States, the United Kingdom, and Australia. Much less frequently, Wardein is the forename as well as the last name.