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In the entire world, Duangnai (Duangnai ) is an extremely rare unknown gender forename. Predominantly, Duangnai is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Duangnai | Thailand |
Sayan, Sookon, Narntipar, Khongwit, Jiraporn, Tareerat, Thanatit, Phitsamai, Nalintipar, Narintipar, and Ratchadaporn