| Baby Name | Meaning | Gender |
|---|
| Joshka | | Male |
| Joshua | God Is Salvation | Male |
| Julian | Youth | Male |
| Julius | Jove's Child. | Male |
| Jurgen | German Form Of George (Farmer) | Male |
| Kai | Unisexual Name Meaning "The Sea." | Female |
| Kaiser | Emperor: Variant Of Caesar. | Male |
| Karl | Manly | Male |
| Karlee | Womanly: Strength. Feminine Of Karl. | Female |
| Karlyn | Womanly: Strength. Feminine Of Karl. | Female |
| Karsten | Anointed | Male |
| Kasper | A Treasured Secret. | Male |
| Kay | Elder Sister (Hopi) | Female |
| Keegan | Small And Fiery | Male |
| Keene | Ancient. | Male |
| Keifer | Barrelmaker Variation Of Cooper. Surname. | Male |
| Kelby | Dark: Dark-Haired. | Male |
| Kellen | Swamp | Male |
| Kevin | Handsome Child. Name Of A Famous Irish Hermit-Saint. Kevin Is The Most Popular Of Many Spellings. | Male |
| Kiefer | Barrelmaker Variation Of Cooper. Surname. | Male |
| Kilian | Small: Fierce. | Male |
| Klaus | Danish Form Of Nicholas (People's Victory) | Male |
| Koby | Dark: Dark-Haired. | Male |
| Koen | Honest Advisor | Male |
| Koenraad | Bold | Male |