Cognomen كاسبي (Kaspi 
, Caspi 
, Casby 
) , globally, is quite a rare family name. The surname كاسبي is habitual in Western Asia, particularly Israel, where it is quite a rare surname, Cyprus, and Oman, where it is a rare surname. In absolute terms, it is the most numerous in the United States, Iran, and Philippines. Much less frequently, كاسبي is the forename as well as the last name.