Family name Эспер (Esper 
, Эспер 
) , throughout the world, is quite a common last name. The surname Эспер is characteristic of Lebanon, where it is quite a common surname, Syria, where it is quite a rare surname, and Argentina. In absolute terms, this name is the most popular in Brazil, the United States, and Argentina. Very seldom, Эспер is the forename as well as the last name.