Surname שוי (Tsui 
, שוי 
) , all around the world, is a common last name. The cognomen שוי is habitual in Hong Kong, where it is a common surname, Bermuda, and Cayman Islands (explore the name in all countries). In absolute terms, it is commonest in Hong Kong, China, and the United States. Much less frequently, שוי is the forename as well as the last name.