Family name Sornberger (Sornberger 
) , across the world, is a rare last name. The cognomen Sornberger is habitual in Germany, where it is a rare surname, Canada, and the United States, where it is a very rare surname. In absolute terms, it is the most numerous in the United States, Brazil, and Germany.
| VARIANT | COUNTRY |
|---|---|
| Sornberger | Canada, Argentina, Brazil, Germany, United States |