Cognomen Blassa (Blassa 
) , around the world, is a rare last name. The last name Blassa is habitual in Algeria, where it is a rare surname, Morocco, where it is a very rare surname, and Germany. Much less frequently, Blassa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Blassa | Germany, Morocco, Algeria, United States, France |