Cognomen Khaiyat (Khaiyat 
) , across the world, is a very rare surname. The family name Khaiyat is characteristic of Saudi Arabia, where it is a rare surname, Malaysia, where it is a very rare surname, and Venezuela. Not in comparison with a country's population, it most frequently occurs in Saudi Arabia, Malaysia, and India. Much less frequently, Khaiyat is the forename as well as the last name.