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Cognomen Patthanamon (Patthanamon ) , in the world, is an extremely rare family name. Much more frequently, Patthanamon is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Patthanamon | Thailand |
Klinhom, Ashitanichwong, Chollapopwibul, Dechasmitwong, and Nantachai