Family name Thanh Thao (Thanh Thao 
) , in the world, is a rare surname. The cognomen Thanh Thao is characteristic of Vietnam, where it is a rare surname, New Zealand, where it is a very rare surname, and Malaysia, where it is an extremely rare surname. Likewise, Thanh Thao is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thanh Thao | Germany, Vietnam, Malaysia, United States, France |