Surname Vadthanarat (Vadthanarat 
) , all around the world, is a very rare last name. The cognomen Vadthanarat is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Vadthanarat | Thailand |
| santhiti vadthanarat botanist |
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| santhiti vadthanarat researcher (ORCID 0000-0002-9035-0375) |
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