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Cognomen Thammajaikul (Thammajaikul , ธรรมใจกุล
, ธรรมใจกูล
) , in the entire world, is a rare surname. The cognomen Thammajaikul is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| ธรรมใจกูล, Thammajaikul, ธรรมใจกุล | Thailand |
Amnuayporn, Thanaporn, and Weerayutt