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Surname Saewai (สายไหม , Saewai
, แซ่ไว) , around the globe, is a rare last name. The family name Saewai is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname, and Malaysia, where it is an extremely rare surname. More prevalently, Saewai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| สายไหม | Thailand |
| Saewai | Malaysia, India, Thailand |