Worldwide, Boonthan (Boonthan 
) is a very rare gender-neutral given name. The forename Boonthan is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare epicene name. Also, Boonthan is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Boonthan | Bahrain, Malaysia, United States, Thailand |