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Family name Klangaran (Klangaran ) , throughout the world, is a very rare last name. The cognomen Klangaran is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Klangaran | Thailand |
Phubass, Jintana, Chanjira, Krittanai, and Chompoonuch