Last name กาญจนรัฐนพมาศ (กาญจนรัฐนพมาศ 
) , all over the world, is a very rare surname. The surname กาญจนรัฐนพมาศ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| กาญจนรัฐนพมาศ | Thailand |