Family name ศิริวัฒนะ (Siriwattana 
, ศิริวัฒนะ , Siriwatna ) , in the world, is a rare last name. The cognomen ศิริวัฒนะ is habitual in Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname. Also, ศิริวัฒนะ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Siriwatna, Siriwattana | United States, Thailand |
| ศิริวัฒนะ | Thailand |