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Globally, Boonsathien (บุญเสถียร , Boonsathien
, บุญผ่องเสถียร) is a very rare unisex first name. The first name Boonsathien is habitual in South-eastern Asia, particularly Thailand, where it is a very rare unisex name. More frequently, Boonsathien is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| บุญเสถียร | Thailand |
| Boonsathien | United States, Thailand |