| Name | Meaning | Gender | Origin |
|---|
| Kendra | Blend of Ken: (royal obligation:clear water) and Sandra: (protector of man) or Andrea: (manly or masculine).
| Female | English |
| Killian | church | Male | Irish |
| Kiri | tree bark | Female | Maori |
| Kitty | Variant of Katherine. Pure.
| Female | English |
| Kitty | Variant of Katherine. Pure.
| Female | English |
| Kitty | Variant of Katherine. Pure.
| Female | English |
| Krishna | dark, black | Male | Sanskrit |
| Lacey | Cheerful One | Female | English |
| Laila | Night, dark beauty.
| Female | Spelling |
| Laine | From the long meadow
| Male | |
| Lance | knight's attendant; land | Male | English |
| Lanie | | Unisex | |
| Laura | bay laurel | Female | Latin |
| Laurel | Laurel
| Female | Latin |
| Lavender | Lavender, A Purple Flower | Female | English |
| Layla | night | Female | Arabic |
| Layla | night | Female | Arabic |
| Leah | cow, weary one; glad tidings; mistress, ruler | Female | Hebrew |
| Lena | Alluring, Temptress, Light | Female | Greek |
| Lennon | small cloak or cape | Male | Irish |
| Lennox | amid the lems, from the field of elm trees | Male | Scottish |
| Lexi | Greek, feminine form of Alexander, defending men | Female | English |
| Liam | Form of William.
| Male | Irish |
| Liberty | Free
| Female | Word |
| Lilac | Bluish Purple | Female | Latin |