Family name วณิชวัฒนะ (วณิชวัฒนะ, Wanijwatana 
) , in all the world, is a very rare cognomen. The surname วณิชวัฒนะ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Wanijwatana | Thailand |