Surname كاسر (كاسر 
, Kasser 
, Kasr 
) , globally, is a common last name. The cognomen كاسر is characteristic of Lebanon, where it is quite a common surname, Syria, where it is quite a rare surname, and Libya. Not in comparison with a country's population, it is commonest in Lebanon, Syria, and Sudan. Also, كاسر is the forename as well as the last name.