Surname Ært (Erit 
, Ertr 
, Ært) , around the world, is quite a rare family name. The family name Ært is characteristic of Estonia, where it is quite a rare surname, Philippines, where it is a rare surname, and Honduras. In absolute terms, it is the most numerous in Philippines, Ethiopia, and France. Likewise, Ært is the forename as well as the last name.