| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 21 | Hana | Japanese | Flower. | F | |
| 22 | Hoshi | Japanese | Star. | F | |
| 23 | Jiro | Japanese | Second son. | M | |
| 24 | Joben | Japanese | Enjoy cleanness. | M | |
| 25 | Jomei | Japanese | Spread light. | M | |
| 26 | Juro | Japanese | Tenth son; best wishes; longevity. | M | |
| 27 | Kaemon | Japanese | Joyful; righthanded. Old Samurai name. | M | |
| 28 | Kameko | Japanese | Child of the tortoise. | F | |
| 29 | Kami | Japanese | Lord. | F | |
| 30 | Kamlyn | Japanese | Variant of Kami. Lord. | F | |
| 31 | Kamlyn | Japanese | Variant of Kami. Lord. | M | |
| 32 | Kammi | Japanese | Variant of Kami. Lord. | F | |
| 33 | Kammie | Japanese | Variant of Kami. Lord. | F | |
| 34 | Kane | Japanese | Putting together; money. Surname. | M | |
| 35 | Kannon | Japanese | Form of Kuan-yin who was Chinese Buddhist deity of mercy. | M | |
| 36 | Kano | Japanese | One's masculine power; capability. | M | |
| 37 | Kaori | Japanese | Add a man's strength. | M | |
| 38 | Kaya | Japanese | Adds a place of resting. | F | |
| 39 | Keiji | Japanese | Governs with discretion. | M | |
| 40 | Keitaro | Japanese | Blessed. | M | |