| Name | Meaning | Favorites |
| Kami | Divine aura | |
| Kamin | Joyful | |
| Kana | Powerful | |
| Kaori | Strong | |
| Kaoru | Fragrant | |
| Kei | Reverent | |
| Keiko | Blessing | |
| Keitaro | Blessed | |
| Kiaria | Fortunate | |
| Kin | Golden | |
| Kioko | Meets world with happiness | |
| Kioshi | Quiet | |
| Kishi | Happy life | |
| Kiyoshi | Quiet child | |
| Kohana | Little flower | |
| Koko | Stork | |
| Koto | Harp | |
| Kuma | Bear | |
| Kuri | Chestnut | |
| Kyoko | Mirror | |
