Family name Иваниш (Ivanish 
, Ivanich 
, Иваниш 
) , in the entire world, is a rare cognomen. The last name Иваниш is characteristic of Romania, where it is a rare surname, Argentina, where it is a very rare surname, and the United States. Very seldom, Иваниш is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ivanish | Romania, India, United States |
| Ivanich | Philippines, Argentina, Canada, United States, Russia |
| Иваниш | Russia, Kazakhstan, Ukraine |