Last name Guntay (Guntay 
) , in all the world, is a very rare surname. The last name Guntay is characteristic of Estonia, where it is a rare surname, Turkey, where it is a very rare surname, and Philippines, where it is an extremely rare surname. In absolute terms, the name is most common in Turkey, India, and Estonia. Very seldom, Guntay is the forename as well as the last name.