Cognomen Rudonja (Rudonja 
) , around the globe, is an extremely rare last name. The last name Rudonja is characteristic of Germany, where it is an extremely rare surname, and the United Kingdom.
| VARIANT | COUNTRY |
|---|---|
| Rudonja | Germany, United Kingdom |
| mladen rudonja Slovenian footballer, SI (b. 1971) |
|