| Reagan | Unisex | Irish Names |
| Reality | Unisex | English Names |
| Reba | Woman | American Names |
| Rebecca | Woman | Hebrew Names |
| Rebekah | Woman | Hebrew Names |
| Rebekka | Woman | Hebrew Names |
| Rebel | Unisex | English Names |
| Red | Unisex | English Names |
| Reda | Unisex | Arabic Names |
| Redeemer | Unisex | American Names |
| Redell | Unisex | American Names |
| Redford | Man | English Names |
| Redmond | Man | Irish Names |
| Redwulf | Man | English Names |
| Ree | Woman | American Names |
| Reece | Man | English Names |
| Reed | Unisex | English Names |
| Reegan | Unisex | American Names |
| Reem | Woman | Arabic Names |
| Reese | Unisex | Welsh Names |