Surname เพ็งแข (เพ็งแข 
) , in the world, is a rare cognomen. The cognomen เพ็งแข is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, เพ็งแข is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| เพ็งแข | Thailand |