Cognomen จุฑารัตนกุล (จุฑารัตนกุล 
, Chuthurattanagul, Jutarsttanakul) , in the entire world, is a rare last name. The cognomen จุฑารัตนกุล is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Chutarattanakul, จุฑารัตนกุล | Thailand |
Chutaratanakul, Chutharattakul, Chutharattanagul, Chutharattanakul, and Chuttharattanagul
| พิยดา จุฑารัตนกุล actress, model, TH (b. 1975) |
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