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Globally, Siriwattanachai (สิริวัฒนชัย , Siriwattanachai
) is an extremely rare masculine given name. Much more frequently, Siriwattanachai is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| สิริวัฒนชัย, Siriwattanachai | Thailand |
Kanyarat, and Phakkaphorn