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Across the world, Winchai (ชนะชัย , วินชัย
, Winchai
) is quite a rare principally boy's, but scarcely feminine first name. The first name Winchai is characteristic of South-eastern Asia, particularly Thailand, where it is quite a rare principally masculine, but very infrequently female name. Very seldom, Winchai is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| ชนะชัย, วินชัย | Thailand |
| Winchai | Myanmar, Thailand |