Surname ฟ้าไทย (Faithai 
, Fahthai , ฟ้าไทย) , in the world, is a very rare family name. The family name ฟ้าไทย is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, ฟ้าไทย is the forename as well as the last name.