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Last name Kayanngan (Kayanngan ) , globally, is a rare cognomen. The cognomen Kayanngan is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kayanngan | Thailand |
Pitiya, Mantana, Sarawut, Chantima, Arunothai, Phraarunothai, Nathapong, and Rachadaporn