Last name رودر (Ruder 
, رودر 
) , globally, is quite a rare family name. The last name رودر is habitual in Reunion, where it is quite a common surname, Switzerland, where it is quite a rare surname, and Germany. In absolute terms, it is commonest in the United States, Germany, and Switzerland. Very seldom, رودر is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ruder | Germany, Reunion, Switzerland, United States, India |
| رودر | Syria |