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Last name Wongchaiya (Wongchaiya , วงศ์ไชยา , วงษ์ไชยา ) , around the globe, is quite a rare family name. The last name Wongchaiya is habitual in Thailand, where it is quite a rare surname, and New Zealand, where it is a rare surname.
Loen, Siriwan, Sukanya, Supawat, Sumalee, Somkuan, Adithep, Athipat, Aphisit, Kantira, Kanchai, Keerati, Kunchai, Prayong, Praweeya, Pongpat, Phimpha, Ratklao, Damrong, Dollanut, Janjira, Jakkrit, Sawalee, Sarunya, Wisidpong, Wasuma, Santi, Saard, Sirin, Sutos, Panom, Rawin, Thawi, Iyada, Mutita, Sarisa, Jurarat, Sawang, Suthep, Amporn, Bancha, Buncha, Palada, Pavida, Prayut, Dokfar, Narong, Orawan, Singha, and Jittima