Last name דאסו (Dassault 
, דאסו 
) , in the world, is a rare cognomen. The surname דאסו is characteristic of France, where it is a rare surname, Israel, where it is a very rare surname, and Canada, where it is an extremely rare surname. Measured by absolute frequency, this name is the most popular in France, the United States, and Israel. Likewise, דאסו is the forename as well as the last name.