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Cognomen Hongthai (Hongthai
, หงษ์ไทย
) , worldwide, is a rare family name. The surname Hongthai is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname, and Vietnam, where it is an extremely rare surname. Very seldom, Hongthai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hongthai | Vietnam, India, Thailand |
| หงษ์ไทย | Thailand |