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Cognomen Boonthum (บุญธรรม , Boonthum
) , around the world, is a common surname. The cognomen Boonthum is habitual in South-eastern Asia, particularly Thailand, where it is quite a common surname. Likewise, Boonthum is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| บุญธรรม | Thailand |
| Boonthum | New Zealand, United States, Thailand |