Cognomen Чуан (Chuang 
, Чуан 
, Tchouan 
) , across the world, is a common last name. The surname Чуан is characteristic of Bermuda, where it is quite a common surname, Taiwan, and Cayman Islands (explore the name in all countries). Not in comparison with a country's population, it is commonest in Taiwan, Malaysia, and China. Also, Чуан is the forename as well as the last name.