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Surname Ramphaiphan (Ramphaiphan ) , throughout the world, is an extremely rare cognomen. Much more frequently, Ramphaiphan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ramphaiphan | Thailand |
Posa, Mamuang, Yodsroy, Chaisong, Banlengrom, Jakthana, Charunsamathisak, Phromboon, Chaibunruang, and Chimpleewat