Last name Туа (Tua 
, Toye 
, Toj 
) , globally, is a common cognomen. The family name Туа is habitual in Guatemala, where it is quite a common surname, Malta, and Antigua and Barbuda (explore the name in all countries). Not in comparison with a country's population, the name is most common in Indonesia, Guatemala, and Venezuela. Very seldom, Туа is the forename as well as the last name.