Throughout the world, ปฐมลักษณ์ (ปฐมลักษณ์ 
) is a very rare gender-neutral forename. The forename ปฐมลักษณ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare gender-neutral name. Very seldom, ปฐมลักษณ์ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| ปฐมลักษณ์ | Thailand |