Cognomen Kalfic (Kalfic 
) , globally, is a very rare family name. The cognomen Kalfic is characteristic of Austria, where it is a rare surname, Croatia, where it is a very rare surname, and Germany. Not in comparison with a country's population, this name is the most popular in Germany, Austria, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Kalfic | Canada, Italy, Austria, United States, Germany |