Surname Thanh Trang (Thanh Trang 
) , all around the world, is a rare last name. The cognomen Thanh Trang is characteristic of South-eastern Asia, particularly Vietnam, where it is a rare surname. Likewise, Thanh Trang is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thanh Trang | Japan, United States, Canada, Thailand, Vietnam |