Last name ถุ (Thu 
, ถุ 
) , all over the world, is a prevalent family name. The family name ถุ is habitual in 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). Measured by absolute frequency, this name is the most popular in South-eastern Asia, particularly Myanmar, Vietnam, and Malaysia. Much less frequently, ถุ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thu | Myanmar, Vietnam, United States, Mongolia, Malaysia |
| ถุ | Thailand |