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Last name Khamsai (Khamsai
, คำใส, คำสัย) , worldwide, is a rare surname. The surname Khamsai is characteristic of Thailand, where it is a rare surname, Japan, where it is a very rare surname, and Myanmar. Also, Khamsai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khamsai | Myanmar, Laos, Japan, United States, Thailand |