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Cognomen Baiya (Baiya
, Buyer
, ใบยา
) , worldwide, is quite a common surname. The cognomen Baiya is habitual in Kenya, where it is quite a rare surname, Thailand, and Zimbabwe, where it is a rare surname. Measured by absolute frequency, it most frequently occurs in Thailand, Kenya, and Indonesia. Also, Baiya is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Baiya | India, Indonesia, United States, Thailand, Kenya |
| Buyer | Bangladesh, India, United States, Indonesia, Germany |
| ใบยา | Thailand |