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Worldwide, Utamaphethai (Utamaphethai
) is an extremely rare unknown gender given name. Much more prevalently, Utamaphethai is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Utamaphethai | United States, Thailand |
Juthamas, Juthawuthi, Thanasit, Noppanunt, and Pathomphong