Cognomen Энер (Ener 
, Энер 
) , worldwide, is quite a rare last name. The family name Энер is characteristic of Turkey, where it is quite a rare surname, North Macedonia, and Nicaragua, where it is a rare surname. Not in comparison with a country's population, it is commonest in Turkey, the United States, and Mexico. Also, Энер is the forename as well as the last name.