Cognomen Wongwattanachai (Wongwattanachai 
) , around the world, is a very rare last name. The family name Wongwattanachai is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
Arada, Karan, Danai, Wirat, Wanida, Krittiya, Phatsaporn, Thanachai, Hiranphatsorn, and Wanchalerm