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Surname Kaiyaphan (Kaiyaphan ) , all over the world, is a very rare last name. The surname Kaiyaphan is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kaiyaphan | Thailand |
Obpawan, Chaluay, Kannika, Kedsareelak, Thongpet, Siriphong, Kathawuth, Kritsanat, Prassanee, and Kristsanat