Family name Caspo (Caspo 
, קספו 
) , all around the world, is a very rare cognomen. The cognomen Caspo is characteristic of Israel, where it is a rare surname, Italy, where it is a very rare surname, and Chile, where it is an extremely rare surname. Measured by absolute frequency, this name is the most popular in Israel, Italy, and the United States. Very seldom, Caspo is the forename as well as the last name.