Family name รัตนไกรคณากร (รัตนไกรคณากร 
) , in the entire world, is a very rare cognomen. The family name รัตนไกรคณากร is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| รัตนไกรคณากร | Thailand |