Surname ศิริวัฒนา (ศิริวัฒนา 
, Siriwattana 
, Siriwatthana 
) , around the world, is a rare cognomen. The cognomen ศิริวัฒนา is characteristic of Thailand, where it is a rare surname, Malaysia, where it is a very rare surname, and France, where it is an extremely rare surname. Likewise, ศิริวัฒนา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ศิริวัฒนา | Thailand |
| Siriwattana | Thailand, United States |
| Siriwatthana | Thailand, United States, Malaysia |
| Sirivathana | United States, France |
Sirivatnatana, Siriwadhana, Siriwardhana, Siriwatana, Siriwathanana, Siriwatthanal, Siriwatthathon, Siriwhaddhanah, and Ssiriwattana
| เวธกา ศิริวัฒนา actor, TH (b. 1990) |
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