Cognomen Ronitz (Ronitz 
) , in the world, is a very rare last name. The cognomen Ronitz is characteristic of Netherlands, where it is a rare surname, Portugal, where it is a very rare surname, and the United States, where it is an extremely rare surname. Very seldom, Ronitz is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ronitz | Portugal, United States, Netherlands, Philippines |