Family name Sintich (Sintich 
) , in the entire world, is a rare last name. The surname Sintich is habitual in Croatia, where it is a very rare surname, Italy, and Canada. In absolute terms, this name is the most popular in the United States, Italy, and Canada. Also, Sintich is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sintich | Germany, Italy, United States, Canada, Democratic Republic of the Congo |
| mario sintich author (20th century) (b. 1901) |
|