Cognomen Brasnic (Brasnic 
) , in the world, is a very rare family name. The cognomen Brasnic is habitual in Austria, where it is a rare surname, Switzerland, and Croatia. In absolute terms, this name is the most popular in Western Europe, particularly Germany, Austria, and Switzerland. Much less frequently, Brasnic is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Brasnic | Germany, United States, Switzerland, Croatia, Austria |