| Name | Meaning | Gender | Origin |
|---|
| Julia | Down-bearded youth | Female | Latin |
| Julius | Down-bearded youth | Male | Latin |
| Kaelyn | Variant Of Kay And Kayla. Keeper Of The Keys: Pure. | Female | English |
| Kara | Friend | Female | Gaelic |
| Katherine | Pure | Female | Greek |
| Kathryn | Pure | Female | Greek |
| Keaton | Kite town | Male | English |
| Keith | Woods | Male | Gaelic |
| Kelsey | Cenel's land | Unisex | English |
| Kendall | Valley of the River Kent | Female | Gaelic |
| Kenelm | Defends The Family | Male | English |
| Kenley | Wolf head | Male | Gaelic |
| Kenrich | Chief Hero | Male | Welsh |
| Kensington | | Female | Hebrew |
| Kent | Uncertain, perhaps coastal region | Male | English |
| Kenton | Royal town | Male | English |
| Kerri | Country of the children of Ciar | Female | Gaelic |
| Kimberley | Variable prefix + forest clearing | Unisex | English |
| Kimberly | Variable prefix + forest clearing | Unisex | English |
| King | King's forest clearing | Male | English |
| Kinsey | Royal victory | Male | English |
| Kipp | A pointed hill | Male | English |
| Knox | Round-topped hill | Male | English |
| Kyla | Church | Female | Gaelic |
| Lachlan | Warrior from the Land of the Lochs | Unisex | Gaelic |
| Landon | Long hill | Male | English |
| Lang | Long, tall | Male | English |
| Laura | Laurel | Female | Latin |
| Laurel | Laurel | Female | Latin |
| Lauren | Man from Laurentum | Female | Latin |