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Globally, Kayanngan (Kayanngan ) is an extremely rare unknown gender first name. Much more prevalently, Kayanngan is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Kayanngan | Thailand |
Pitiya, Mantana, Sarawut, Chantima, Arunothai, Phraarunothai, Nathapong, and Rachadaporn