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Cognomen Chaikhaeng (Chaikhaeng , ใจแข็ง
) , around the world, is a rare last name. The surname Chaikhaeng is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| ใจแข็ง, Chaikhaeng | Thailand |
Koraphat, and Phimchanok