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Cognomen Sangwai (Sangwai
, แสงไว
, สังข์วัย
) , in the entire world, is a rare last name. The cognomen Sangwai is habitual in Thailand, where it is a rare surname, India, where it is a very rare surname, and South Africa, where it is an extremely rare surname. Measured by absolute frequency, it most frequently occurs in India, Thailand, and Nigeria. Likewise, Sangwai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sangwai | India, Nigeria, United States, Thailand, South Africa |
| แสงไว, สังข์วัย | Thailand |