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Family name Wongkham (Wongkham , วงษ์ขำ, วงศ์คำ) , in all the world, is quite a rare last name. The cognomen Wongkham is habitual in Thailand, where it is quite a rare surname, Norway, where it is a very rare surname, and Finland. Measured by absolute frequency, the name is most common in Thailand, Malaysia, and Norway.
Na, Somjit, Anurak, Arraya, Arunya, Amporn, Chanin, Chaiya, Chetta, Buarat, Panida, Pallop, Pairat, Pairin, Prayad, Phirom, Phurit, Rasita, Others, Waewta, Wichai, Yosita, Somrat, Maturos, Sombat, Sumana, Pai, Yao, Sema, Onie, Marut, Metee, Mukda, Sanue, Supan, Supin, Suwat, Sopit, Sopee, Prida, Pitak, Ramet, Napat, Wilai, Wiwat, Maetha, Sangka, Suenoi, and Sarawut