Surname بلاسى (Blasy 
, Blassie 
, بلاسى ) , all over the world, is quite a rare last name. The cognomen بلاسى is characteristic of Liechtenstein, where it is quite a rare surname, Austria, and Egypt, where it is a rare surname. In absolute terms, it is the most numerous in Egypt, Austria, and the United States. Very seldom, بلاسى is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Blasy | Democratic Republic of the Congo, Austria, Egypt, Germany, United States |
| Blassie | United States, Israel, New Zealand, Philippines |
| بلاسى | Egypt |