Surname אספר (Aspar 
, Esper 
, אספר 
) , in all the world, is a common last name. The surname אספר is habitual in Lebanon, where it is quite a common surname, Syria, where it is quite a rare surname, and Brunei. In absolute terms, it is commonest in Indonesia, Brazil, and the United States. Much less frequently, אספר is the forename as well as the last name.