Family name Klapcic (Klapcic 
) , in the entire world, is a very rare cognomen. The surname Klapcic is characteristic of Austria, where it is a rare surname, Croatia, and Canada, where it is a very rare surname. In absolute terms, the name is most common in Austria, Canada, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Klapcic | Austria, Canada, Italy, United States, Croatia |