Last name Eiaz (Eiaz 
) , throughout the world, is a rare surname. The last name Eiaz is characteristic of Afghanistan, where it is a rare surname, Georgia, where it is a very rare surname, and Pakistan. Not in comparison with a country's population, the name is most common in Afghanistan, Pakistan, and the United States. Much less frequently, Eiaz is the forename as well as the last name.