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In the entire world, Sayyavongsa (Sayyavongsa
) is an extremely rare unknown gender first name. Predominantly, Sayyavongsa is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sayyavongsa | Laos, United States |
Addy, Visay, Phonepaserd, and Thotsaphone