Surname กรัณฑรัตน (กรัณฑรัตน 
) , globally, is a very rare last name. The last name กรัณฑรัตน is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, กรัณฑรัตน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| กรัณฑรัตน | Thailand |