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Cognomen Chanajai (Chanajai
) , in the entire world, is an extremely rare surname. The surname Chanajai is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Predominantly, Chanajai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Chanajai | India, Thailand |
Phutong, Muenthaisong, Chomchuen, Khuenkaew, and Chantawong