Cognomen ธู (Thu 
, ธู 
) , all around the world, is a prevalent last name. The last name ธู is characteristic of Myanmar, where it is a prevalent surname, Macao, where it is a common surname, and Vietnam, where it is quite a common surname (explore the name in all countries). Not in comparison with a country's population, this name is the most popular in South-eastern Asia, particularly Myanmar, Vietnam, and Malaysia. Much less frequently, ธู is the forename as well as the last name.