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Last name Ratanakarn (Ratanakarn
, รัตนกาล
, รัตนวิจารณ์
) , all over the world, is a rare family name. The cognomen Ratanakarn is habitual in Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Ratanakarn is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ratanakarn | United States, Thailand |
| รัตนกาล, รัตนวิจารณ์ | Thailand |