Family name พัฑฒนะ (Phatthana 
, พัฑฒนะ ) , in all the world, is quite a rare cognomen. The surname พัฑฒนะ is habitual in South-eastern Asia, particularly Laos, where it is quite a common surname, Thailand, where it is a rare surname, and Malaysia, where it is a very rare surname. Likewise, พัฑฒนะ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Phatthana | Laos, United States, France, Thailand, Malaysia |
| พัฑฒนะ | Thailand |