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Last name Rotsak (Rotsak ) , in the world, is an extremely rare family name. Much more frequently, Rotsak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rotsak | Thailand |
Manee, Jamrat, Khongsi, Ksongsi, Meesathit, Sukhaphan, Thonglattana, Chinnawatworachot, and Waranantakun