Throughout the world, เพชรอนันต์ (เพชรอนันต์ 
, Phetanan , Petanan 
) is a very rare predominantly masculine, but very infrequently girly first name. The forename เพชรอนันต์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare predominantly male, but scarcely girly name. More prevalently, เพชรอนันต์ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Phetanan, เพชรอนันต์, Phetranan | Thailand |
| Petanan | Thailand, United States |