Family name رودولف (Rudolf 
, Rudolph , Rodolphe 
) , globally, is a widespread cognomen. The cognomen رودولف is characteristic of Liechtenstein, where it is quite a common surname, Poland, and Germany (explore the name in all countries). In absolute terms, it most frequently occurs in Germany, Poland, and the United States. More frequently, رودولف is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rudolph, Rudolf | Germany, Czechia, United States, Poland, France |
| Rodolphe | Germany, South Africa, United States, France, Democratic Republic of the Congo |