Cognomen Intavichai (Intavichai 
) , worldwide, is a very rare last name. The last name Intavichai is characteristic of Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname.
Pithak, Sukanya, Pongpat, Warakorn, Natthanan, Acharaphan, Praphawarin, and Witchayada