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Family name Ubonphan (อุบลพรรณ , อุบลพันธ์
, Ubonphan
) , throughout the world, is a rare cognomen. The family name Ubonphan is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. More frequently, Ubonphan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| อุบลพรรณ, อุบลพันธ์ | Thailand |
| Ubonphan | United States, Thailand |