Cognomen วัฒนมิตร (วัฒนมิตร 
, Wattanamit , Watanamit ) , around the world, is a very rare last name. The last name วัฒนมิตร is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Wattanamit, วัฒนมิตร, Wattanamitr, Watanamit | Thailand |