Surname ตรังค์ (Trang 
, ตรังค์ 
) , all around the world, is a widespread last name. The cognomen ตรังค์ is habitual in Vietnam, where it is a common surname, Macao, where it is quite a common surname, and Malaysia, where it is quite a rare surname. Not in comparison with a country's population, the name is most common in Vietnam, Malaysia, and the United States. Very seldom, ตรังค์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Trang | Australia, Vietnam, United States, Malaysia, Japan |
| ตรังค์ | Thailand |