| Rocio | Woman | Spanish Names |
| Rock | Man | English Names |
| Rockefeller | Man | American Names |
| Rocket | Unisex | English Names |
| Rockingham | Woman | English Names |
| Rockland | Unisex | English Names |
| Rockwell | Man | English Names |
| Rocky | Man | English Names |
| Rod | Man | English Names |
| Rodd | Man | English Names |
| Roddy | Man | English Names |
| Roden | Man | English Names |
| Roderick | Man | English Names |
| Roderik | Man | Dutch Names |
| Rodney | Man | English Names |
| Rodo | Man | German - Old High German Names |
| Rodolfo | Man | Spanish Names |
| Rodrigo | Man | Spanish Names |
| Rodriguez | Man | Spanish Names |
| Roe | Woman | English Names |