Last name ว่าง (Wang 
, Vaca 
, ว่าง) , globally, is a prevalent cognomen. The last name ว่าง is characteristic of Cayman Islands, where it is a prevalent surname, China, and Bermuda (explore the name in all countries). Not in comparison with a country's population, this name is the most popular in China, the United States, and Taiwan. Much less frequently, ว่าง is the forename as well as the last name.