Globally, เหยียน (เหยียน 
) is a very rare gender-neutral forename. The forename เหยียน is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare unisex name. Much less frequently, เหยียน is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| เหยียน | Thailand |