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Cognomen Lertnilakan (Lertnilakan
) , worldwide, is a rare last name. The cognomen Lertnilakan is habitual in Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Lertnilakan | United States, Thailand |
Adisak, Jantana, Kancharot, Laphadrada, and Chalantorn