Cognomen ต๋ง (Tong 
, ต๋ง) , in all the world, is a widespread surname. The last name ต๋ง is characteristic of Macao, where it is a common surname, Hong Kong, and Bermuda (explore the name in all countries). Measured by absolute frequency, the name is most common in China, Malaysia, and Hong Kong. Very seldom, ต๋ง is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tong | Hong Kong, Vietnam, United States, Malaysia, China |