| Roana | Woman | Spanish Names |
| Roanix | Man | American Names |
| Rob | Man | English Names |
| Robbie | Man | English Names |
| Robbin | Unisex | English Names |
| Robbins | Unisex | English Names |
| Roberson | Man | English Names |
| Robert | Man | English Names |
| Roberta | Woman | English Names |
| Roberto | Man | Italian Names |
| Robertson | Man | English Names |
| Robijn | Woman | Dutch Names |
| Robin | Unisex | English Names |
| Robinson | Man | English Names |
| Robles | Unisex | Spanish Names |
| Robyn | Unisex | English Names |
| Rocco | Man | Italian Names |
| Roch | Woman | French Names |
| Rocha | Unisex | Portuguese Names |
| Rochelle | Woman | French Names |