Surname เปญจ์ (Pen 
, เปญจ์ 
) , in the world, is a common cognomen. The surname เปญจ์ is characteristic of Malaysia, where it is quite a rare surname, Netherlands, and Malta. Not in comparison with a country's population, the name is most common in Malaysia, China, and Indonesia. Also, เปญจ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Pen | Malaysia, China, Indonesia, Myanmar, Taiwan |
| เปญจ์ | Thailand |