Last name Hiw (สวัสดี 
, Hiw 
) , around the world, is a common family name. The last name Hiw is habitual in South-eastern Asia, particularly Thailand, where it is quite a common surname, Malaysia, where it is quite a rare surname, and Singapore, where it is a rare surname. In absolute terms, it most frequently occurs in South-eastern Asia, particularly Thailand, Malaysia, and Indonesia. Very seldom, Hiw is the forename as well as the last name.