Cognomen آكر (Acker 
, آكر) , all over the world, is a common family name. The cognomen آكر is habitual in Western Europe, particularly Belgium, where it is quite a common surname, Germany, where it is quite a rare surname, and Luxembourg. In absolute terms, it is commonest in the United States, Germany, and Belgium. Much less frequently, آكر is the forename as well as the last name.