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Last name Ratsamiwirathanaphat (Ratsamiwirathanaphat ) , around the globe, is a very rare surname. The surname Ratsamiwirathanaphat is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ratsamiwirathanaphat | Thailand |
Sirikan, Phatsita, and Kawinphong