Family name เจง (Cheng 
, เจง 
) , in the entire world, is a prevalent last name. The family name เจง is characteristic of Hong Kong, where it is a prevalent surname, Bermuda, and Cayman Islands, where it is a widespread surname (explore the name in all countries). Measured by absolute frequency, it most frequently occurs in China, Malaysia, and Hong Kong. Very seldom, เจง is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cheng | Hong Kong, Taiwan, United States, Malaysia, China |
| เจง | Thailand |