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Cognomen Sirinai (ศิรินัย , Sirinai
) , in all the world, is a rare family name. The last name Sirinai is characteristic of South-eastern Asia, particularly Thailand, where it is quite a rare surname. Much less frequently, Sirinai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ศิรินัย | Thailand |
| Sirinai | Malaysia, India, Thailand |