| Name | Meaning | Gender | Origin |
|---|
| Jordan | Descend | Male | Hebrew |
| Jordana | Descend | Female | Hebrew |
| Jordane | Down Flowing. The River In Palestine Where Jesus Was Baptized Has Been Used As A Given Name Since The Crusades. | Female | English |
| Jubal | Blast of a horn | Male | Hebrew |
| Jupiter | Father god | Unisex | Latin |
| Kaelin | Variant Of Kay And Kayla. Keeper Of The Keys: Pure. | Unisex | English |
| Kai | Rejoice | Male | Finnish |
| Kaia | Pure | Female | Greek |
| Kailani | The sea and the sky | Female | Hawaiian |
| Kailee | Variant Of Kay And Kayla Keeper Of The Keys: Pure. | Female | English |
| Kairi | Ocean village | Female | Japanese |
| Kalen | Slender | Male | Gaelic |
| Kalinda | Sun | Female | Sanskrit |
| Kara | Friend | Female | Gaelic |
| Kari | Gust of wind | Female | Norse |
| Kaveri | Name of a holy river | Female | Sanskrit |
| Kay | Pure | Male | Greek |
| Keisha | Abbreviation Of Lakeisha. Great Joy. | Female | American English |
| Kelby | Child's town | Male | English |
| Kelda | Clear Mountain Spring | Female | Scandinavian |
| Kell | Farm By The Spring | Male | English |
| Kelly | War | Female | Gaelic |
| Kelsey | Cenel's land | Unisex | English |
| Kelton | Town of the keels | Male | English |
| Kelvin | From the River Clyde | Male | English |
| Kemp | Battler, fighter, warrior | Male | English |
| Ken | Born of fire | Male | Gaelic |
| Kenda | Valley of the River Kent | Female | Gaelic |
| Kendal | Valley of the River Kent | Female | Gaelic |
| Kendall | Valley of the River Kent | Female | Gaelic |