| Raiden | Man | Japanese Names |
| Ran | Woman | Japanese Names |
| Rei | Woman | Japanese Names |
| Reiji | Man | Japanese Names |
| Reika | Woman | Japanese Names |
| Reiki | Unisex | Japanese Names |
| Reiko | Woman | Japanese Names |
| Reki | Man | Japanese Names |
| Relena | Woman | Japanese Names |
| Riichi | Man | Japanese Names |
| Rika | Woman | Japanese Names |
| Riki | Man | Japanese Names |
| Riko | Woman | Japanese Names |
| Riku | Man | Japanese Names |
| Rikuto | Man | Japanese Names |
| Rin | Unisex | Japanese Names |
| Rina | Woman | Japanese Names |
| Ringo | Man | Japanese Names |
| Ritsu | Man | Japanese Names |
| Ritsuko | Woman | Japanese Names |