Last name גרוניך (Gronich 
, גרוניך ) , in the entire world, is a rare family name. The cognomen גרוניך is habitual in Israel, where it is quite a rare surname, Czechia, where it is a rare surname, and Germany. Measured by absolute frequency, it is commonest in Israel, the United States, and Germany. Very seldom, גרוניך is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gronich | Germany, Czechia, Italy, United States, Israel |
| גרוניך | Israel |
|
שלמה גרוניך Israeli composer, singer-songwriter and pianist, IL (b. 1949) |
|