Last name בלאסי (Blasi 
, בלאסי 
) , all over the world, is a common surname. The family name בלאסי is habitual in Andorra, where it is quite a common surname, Italy, and Switzerland, where it is quite a rare surname. Measured by absolute frequency, the name is most common in Italy, the United States, and Argentina. Much less frequently, בלאסי is the forename as well as the last name.