Last name เพ้ง (Pheng 
, เพ้ง) , worldwide, is a common cognomen. The surname เพ้ง is habitual in South-eastern Asia, particularly Malaysia, where it is quite a common surname, Laos, and Singapore, where it is quite a rare surname. Measured by absolute frequency, it most frequently occurs in South-eastern Asia, particularly Malaysia, Laos, and Indonesia. Very seldom, เพ้ง is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Pheng | Laos, United States, Indonesia, Malaysia, China |