Surname رونجي (Ronji 
, Runje 
, رونجي) , in the world, is quite a rare last name. The family name رونجي is characteristic of Croatia, where it is quite a common surname, Tanzania, where it is quite a rare surname, and Indonesia, where it is a rare surname. Measured by absolute frequency, the name is most common in Croatia, Tanzania, and India. Very seldom, رونجي is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ronji | Germany, India, Indonesia, Japan, Croatia |
| Runje | Germany, Tanzania, Argentina, India, Croatia |