Surname Ronjak (Ronjak 
) , in the entire world, is a very rare cognomen. The cognomen Ronjak is habitual in Croatia, where it is quite a rare surname, Austria, where it is a rare surname, and Malaysia, where it is a very rare surname. Also, Ronjak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ronjak | Malaysia, India, Austria, United States, Croatia |