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Last name Borwornsak (Borwornsak ) , around the world, is an extremely rare family name. Much more frequently, Borwornsak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Borwornsak | Thailand |
Wanich, Uwanno, Sununta, Chermue, Chermur, Kummool, Kumrungsee, Kumrungsri, Prongchit, and Chutintharasri