Family name วรัตถ์รณกร (วรัตถ์รณกร 
) , throughout the world, is an extremely rare cognomen. The cognomen วรัตถ์รณกร is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| วรัตถ์รณกร | Thailand |