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Throughout the world, Siwalai (ศิวาลัย , Siwalai
, สิวาลัย
) is a rare principally female, but very seldom male forename. The first name Siwalai is characteristic of South-eastern Asia, particularly Thailand, where it is a rare predominantly feminine, but very infrequently male name. Much less frequently, Siwalai is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| สิวาลัย, ศิวาลัย | Thailand |
| Siwalai | Thailand, United States |