Globally, เปล่งแสง (เปล่งแสง, Light Up, Plengsaeng 
) is an extremely rare unknown gender first name. Much more prevalently, เปล่งแสง is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Plengsaeng | Thailand, United States |
| Plengseang | Thailand |