Surname Methichai (Methichai 
) , in all the world, is an extremely rare cognomen. The surname Methichai is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. More prevalently, Methichai is the forename as well as the last name.
Saw, Wisatchanam, Visatchanam, Chaiyasuk, Wichaiya, Ochaphanchai, Jaitrong, Apipatwarakun, Aunhaseree, Amornsin, Shewaosod, Mettarikanon, Manatmethikun, Wongkat, Norwong, Thumchamnong, Kurdviboonwej, Khamdee, Chaimin, Suansuwan, Prasee, Obom, Phuangmali, and Dingeldein