| Name | Meaning | Gender | Origin |
|---|
| Kipling | after Rudyard Kipling, writer | Unisex | |
| Kipp | wearing a crown, sharply pointed hill | Male | English |
| Kirby | church settlement | Male | Norse |
| Kirkwood | From The Church's Forest | Unisex | English |
| Kitty | Variant of Katherine. Pure.
| Female | English |
| Kitty | Variant of Katherine. Pure.
| Female | English |
| Kitty | Variant of Katherine. Pure.
| Female | English |
| Kodiak | Large Alaskan brown bear. | Female | Russian |
| Krishna | dark, black | Male | Sanskrit |
| Kyle | A place-name referring to the narrows: a wood or a church.
| Male | Scottish |
| Lacey | Cheerful One | Female | English |
| Lachlan | From the land of lakes.
| Male | Scottish |
| Lacy | Derived from Lacey which is a French Nobleman's surname brought to British Isles after Norman conquest.
| Male | |
| Lamar | land | Male | English |
| Lambert | Light of land
| Male | |
| Lance | knight's attendant; land | Male | English |
| Land | | Male | Hebrew |
| Lane | narrow road | Male | English |
| Langley | Residence Name | Male | English |
| Langston | Town Of The Giant | Male | English |
| Lara | citadel | Female | Russian |
| Lathrop | From The Barn Farmstead | Unisex | English |
| Laurel | Laurel
| Female | Latin |
| Lavender | Lavender, A Purple Flower | Female | English |
| Leaf | | Male | |