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Surname Waiyanan (Waiyanan
) , worldwide, is a rare cognomen. The last name Waiyanan is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname, and Malaysia, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Waiyanan | Malaysia, Thailand |
Samai, Pubet, Kitrawee, Pakineenat, and Rungthong