Last name ว่า (Wa 
, Dhat 
, Thatay 
) , all around the world, is a common cognomen. The family name ว่า is characteristic of Macao, where it is quite a common surname, Tunisia, and Hong Kong (explore the name in all countries). Not in comparison with a country's population, it is the most numerous in Myanmar, Indonesia, and Egypt. More prevalently, ว่า is the forename as well as the last name.