Family name วสุเมธีรวัฒน์ (วสุเมธีรวัฒน์ 
) , throughout the world, is an extremely rare cognomen. The cognomen วสุเมธีรวัฒน์ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| วสุเมธีรวัฒน์ | Thailand |