| Justo | Spanish name meaning 'just' or 'fair'. |
| Justyce | A variant spelling of justice. |
| Justyse | Meaning a fair legal judge. |
| Juvencio | Latin name meaning 'young' or 'youthful'. |
| Juwaan | God is gracious, in the bible, one of the apostles |
| Juwann | God is gracious, in the bible, one of the apostles |
| Kaety | A diminutive for pure soul. |
| Kaholo | Nimble or light footed |
| Kahoni | A name meaning a small flower. |
| Kahua | Base or foundation |
| Kahuna | A Hawaiian term for an expert. |
| Kaiholo | A name meaning moving ocean. |
| Kaija | A name meaning a pure person. |
| Kaikane | Strong sea man or ocean warrior. |
| Kaiko | Strong current in the sea |
| Kailer | Derived from the Gaelic word for 'slender' or 'fair-haired'. |
| Kailla | A crown or a laurel of victory. |
| Kailynn | A beautiful girl from the meadow |
| Kainalu | Ocean that billows |
| Kainen | Finnish name meaning 'battle' or 'warrior'. |
| Kainona | Hawaiian name meaning 'sea' or 'ocean'. |
| Kairah | Beloved, friend |
| Kaito | Japanese name meaning 'firm, strong, and steadfast'. |
| Kaiyan | Chinese name meaning 'sea' or 'ocean'. |
| Kaizen | Japanese name meaning 'continuous improvement' or 'change for the better'. |
| Kakalina | A name meaning pure and clean. |
| Kalahni | Derived from the Sanskrit word for 'beautiful' or 'lovely'. |
| Kaleho | A Hawaiian name meaning the breath. |
| Kalford | English name meaning 'calf ford' or 'young bull'. |
| Kalix | Derived from the Latin word for 'beautiful' or 'lovely'. |
| Kallum | Form of the Latin Columba dove |
| Kaltag | Inupiat name meaning 'river' or 'stream'. |
| Kalten | Derived from the German word for 'cold' or 'frosty'. |
| Kamalei | A beloved child or flower. |
| Kamen | Stone, rock, or a strong and stable person |
| Kammeron | A name meaning crooked stream. |
| Kanani | Beautiful or handsome |
| Kandahl | A form of kendall |
| Kang Dae | A combination of powerful and big. |
| Kanuha | A name meaning a gentle breeze. |