Cognomen Агер (Ager 
, Aguer 
, Agger 
) , worldwide, is a common family name. The last name Агер is characteristic of Denmark, where it is quite a common surname, Austria, where it is quite a rare surname, and Kenya. Not in comparison with a country's population, it is commonest in Ethiopia, Kenya, and the United Kingdom. Very seldom, Агер is the forename as well as the last name.