| Reigan | - | Irish Name | Reiley | - | Irish Name |
| Reilly | - | Irish Name | Reimund | - | Norse Name |
| Reizo | - | Japanese Name | Rekem | - | Biblical Name |
| Relja | - | Serbian Name | Relja-Mihailo | - | Serbian Name |
| Relja-Nikola | - | Serbian Name | Remaliah | - | Biblical Name |
| Remee | - | French Name | Remie | - | French Name |
| Remiel | - | Aramaic Name | Remington | - | United States Name |
| Remmie | - | French Name | Remmon | - | Biblical Name |
| Remmy | - | French Name | Remy | - | French Name |
| Remzi | - | Turkish Name | Ren | - | United States Name |
| Renaldo | - | United States Name | Renardo | - | Italian Name |
| Renato | - | Italian Name | Rendor | - | Hungarian Name |
| Rene | - | French Name | René | - | Swiss Name |
| Rene | - | United States Name | René | - | Cameroon Name |
| Renesh | - | Hindu Name | Renjiro | - | Japanese Name |
| Rennon | - | French Name | Reno | - | German Name |
| Renzo | - | Japanese Name | Rephael | - | Biblical Name |
| Rephaiah | - | Biblical Name | Rereahu | - | Polynesian Name |
| Resham | - | Hindu Name | Reshef | - | Egyptian Name |
| Resul | - | Turkish Name | Reto | - | Swiss Name |
| Retta | - | African Name | Reu | - | Biblical Name |
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