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All around the world, Watthanasin (วัฒนสินธุ์ , Watthanasin
) is a very rare boy's first name. The first name Watthanasin is habitual in South-eastern Asia, particularly Thailand, where it is a very rare male name. More prevalently, Watthanasin is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Watthanasin, วัฒนสินธุ์ | Thailand |