Across the world, เพชรพรัตน์ (เพชรพรัตน์ 
) is a very rare largely masculine, but uncommonly girly first name. The given name เพชรพรัตน์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare dominantly male, but infrequently female name.
| VARIANT | COUNTRY |
|---|---|
| เพชรพรัตน์ | Thailand |