Family name Элер (Eler 
, Ehler 
, Элер 
) , worldwide, is quite a common last name. The surname Элер is habitual in Slovenia, where it is quite a rare surname, Kyrgyzstan, and Germany. Measured by absolute frequency, it is commonest in Brazil, the United States, and Germany. Very seldom, Элер is the forename as well as the last name.