Cognomen หวา (Wa 
, หวา 
, Hwla ) , in the entire world, is a common last name. The cognomen หวา is habitual in 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, หวา is the forename as well as the last name.