Cognomen Kociancic (Kociancic 
) , in the world, is a very rare surname. The last name Kociancic is habitual in Austria, where it is a rare surname, Canada, and Croatia, where it is a very rare surname. Measured by absolute frequency, this name is the most popular in Canada, the United States, and Austria.
| VARIANT | COUNTRY |
|---|---|
| Kociancic | Australia, Austria, Canada, United States, India |