Cognomen Aet (แอด 
, Aet 
, แอส ) , in the world, is a rare last name. The cognomen Aet is habitual in Senegal, where it is a rare surname, North Macedonia, and Algeria. Not in comparison with a country's population, it is the most numerous in Senegal, Philippines, and Indonesia. More prevalently, Aet is the forename as well as the last name.