Last name ต่ง (Tong 
, ต่ง) , in all the world, is a widespread family name. The cognomen ต่ง is characteristic of Macao, where it is a common surname, Hong Kong, and Bermuda (explore the name in all countries). Not in comparison with a country's population, it most frequently occurs in China, Malaysia, and Hong Kong. Very seldom, ต่ง is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tong | Hong Kong, Vietnam, United States, Malaysia, China |