| Baby Name | Meaning | Gender |
|---|
| Joy | Jewel: Rejoicing. | Female |
| Juan | Form Of John Often Used In Combination With Other Names. | Male |
| Judith | Praised | Female |
| Jukka | Gift From God | Male |
| Jules | Youthful | Male |
| Julia | Youthful | Female |
| Julian | Youth | Male |
| Julie | Youthful: Jove's Child. A Feminine Of Julian. | Female |
| Julio | Youth | Male |
| Julius | Jove's Child. | Male |
| Jullien | Youthful | Male |
| Justin | Just: Upright: Righteous. Form Of New Testament Biblical Name Justus. | Male |
| Kalevi | Hero | Male |
| Kalman | Strong And Masculine | Male |
| Karel | Strong | Male |
| Karl | Manly | Male |
| Karlis | Strong And Masculine | Male |
| Karol | Feminine Variant Of Charles Meaning Manly | Female |
| Karoly | Strong And Masculine | Male |
| Katia | Variant Of Katherine. Pure. | Female |
| Keiko | Adored One | Female |
| Ken | Strong; Physically Healthy | Male |
| Kenji | Intelligent Second Son; Strong And Vigorous | Male |
| Kennedy | Strength | Female |
| Kenneth | Good-Looking: Fair. | Male |