| Ichigo | Unisex | Japanese Names |
| Ichiko | Woman | Japanese Names |
| Ichiro | Man | Japanese Names |
| Ichirou | Man | Japanese Names |
| Ikuko | Woman | Japanese Names |
| Ikuo | Man | Japanese Names |
| Ikuya | Man | Japanese Names |
| Ikuye | Woman | Japanese Names |
| Ikuyo | Woman | Japanese Names |
| Inari | Woman | Japanese Names |
| Ine | Woman | Japanese Names |
| Inori | Woman | Japanese Names |
| Isako | Woman | Japanese Names |
| Isamu | Man | Japanese Names |
| Isano | Woman | Japanese Names |
| Isaye | Woman | Japanese Names |
| Ishiko | Woman | Japanese Names |
| Isoko | Woman | Japanese Names |
| Isono | Woman | Japanese Names |
| Itachi | Man | Japanese Names |