Surname أدير (Adair 
, Ader 
, أدير) , all around the world, is a common family name. The surname أدير is habitual in Estonia, where it is quite a common surname, Jamaica, where it is quite a rare surname, and the United States. Measured by absolute frequency, it is the most numerous in the United States, the United Kingdom, and Ethiopia. Likewise, أدير is the forename as well as the last name.