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Cognomen Yimprayoon (Yimprayoon ) , throughout the world, is a very rare family name. The last name Yimprayoon is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Yimprayoon | Thailand |
Wantana, Sahawatch, Sriranong, Chanikarn, Chayangkul, and Phattraporn