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Last name Boonsathien (บุญเสถียร , Boonsathien
, บุญผ่องเสถียร) , globally, is a rare surname. The last name Boonsathien is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, Boonsathien is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| บุญเสถียร | Thailand |
| Boonsathien | United States, Thailand |