Surname Gregorincic (Gregorincic 
) , throughout the world, is a very rare cognomen. The family name Gregorincic is habitual in Slovenia, where it is quite a rare surname, Austria, where it is a rare surname, and Croatia, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in Slovenia, Austria, and Germany. Much less frequently, Gregorincic is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gregorincic | Germany, Austria, Croatia, Slovenia, Canada |
Gregorinčić, and Gregorinčič