Last name เจียด (Chiat 
, เจียด 
) , worldwide, is quite a common surname. The family name เจียด is habitual in Malaysia, where it is quite a common surname, Singapore, where it is a rare surname, and Morocco, where it is a very rare surname. Measured by absolute frequency, it is commonest in Malaysia, China, and the United States. Much less frequently, เจียด is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Chiat | Myanmar, Singapore, United States, Malaysia, China |
| เจียด | Thailand |