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Last name Suwanchai (สุวรรณชัย , สุวันชัย
, Suwanchai
) , in the world, is quite a rare family name. The cognomen Suwanchai is habitual in Thailand, where it is quite a rare surname, and Australia, where it is a very rare surname. Likewise, Suwanchai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| สุวรรณชัย, สุวรรณฉาย, สุวันชัย | Thailand |
| Suwanchai | Australia, United States, Thailand |