In all the world, เพชรฤกษ์ (เพชรฤกษ์ 
) is a very rare unisex forename. The first name เพชรฤกษ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare epicene name. Likewise, เพชรฤกษ์ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| เพชรฤกษ์ | Thailand |