Cognomen رونين (Ronen 
, Ronin , Ronnen 
) , in the world, is a common last name. The cognomen رونين is characteristic of Israel, where it is a common surname, Czechia, where it is quite a rare surname, and Hungary. Not in comparison with a country's population, it is commonest in Israel, the United States, and France. Likewise, رونين is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ronin, Ronen | Japan, United States, India, France, Israel |
| Ronnen | Australia, Philippines, Honduras, United States, Israel |
| رونين | Palestinian Territory |