Family name ทุ (Thu 
, Du , ทุ 
) , in the entire world, is a prevalent last name. The last name ทุ is habitual in Myanmar, where it is a prevalent surname, Macao, where it is a common surname, and British Virgin Islands (explore the name in all countries). Not in comparison with a country's population, it most frequently occurs in Myanmar, China, and Vietnam. Much less frequently, ทุ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Du, Thu | Myanmar, Vietnam, China, Mongolia, Malaysia |
| ทุ | Thailand |