Last name Aiil (Aiil 
) , around the globe, is a rare family name. The last name Aiil is habitual in Saudi Arabia, where it is a rare surname, Morocco, where it is a very rare surname, and Argentina, where it is an extremely rare surname. Measured by absolute frequency, it is the most numerous in Saudi Arabia, Morocco, and China. Very seldom, Aiil is the forename as well as the last name.