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Family name Ruschasetkul (Ruschasetkul ) , in all the world, is a very rare cognomen. The last name Ruschasetkul is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ruschasetkul | Thailand |
Suparada, Sutthinee, Thanapong, and Thanomwong