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Surname Rujikosai (Rujikosai , รุจิโกศัย
) , in all the world, is a rare cognomen. The cognomen Rujikosai is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| รุจิโกศัย, Rujikosai | Thailand |
Ruja, Somsri, Ramida, Morakot, Somkiat, Premika, Natwipha, Onanong, Sutaporn, Wicharinee, Yasutamar, Chayanggoon, Prasertsak, and Ruchadaporn