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Last name Ratsanan (Ratsanan ) , in the world, is an extremely rare cognomen. Much more frequently, Ratsanan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ratsanan | Thailand |
Sarnsombatsiri, Chaiyanboon, Sutthikiri, Pornpattanadoul, and Pornpattanadul