| Name | Meaning | Gender | Origin |
|---|
| Kimbra | From The Royal Fortress Meadow | Unisex | English |
| Kirby | church settlement | Male | Norse |
| Kirk | church | Male | Norse |
| Kisa | Russian for kitty | Unisex | |
| Kit | Nickname for Christopher. Frontiersman Kit Carson.
| Male | English |
| Kizzie | Cinnamon tree | Unisex | Hebrew |
| Klara | Clear, Bright | Unisex | Scandinavian |
| Kola | | Unisex | Hebrew |
| Krishna | dark, black | Male | Sanskrit |
| Kyle | A place-name referring to the narrows: a wood or a church.
| Male | Scottish |
| Lacy | Derived from Lacey which is a French Nobleman's surname brought to British Isles after Norman conquest.
| Male | |
| Lafayette | Hound Dog from the AristoCats
| Male | |
| Laine | From the long meadow
| Male | |
| Lanie | | Unisex | |
| Larry | Abbreviation of Lawrence or Laurence often used as an independent name.
| Male | English |
| Laszlo | after the character in the movie Real Genius | Male | Hungarian |
| Lazarus | God's help | Male | Greek |
| Leander | lion man | Male | Greek |
| Leia | Weary | Unisex | Hebrew |
| Leif | heir, descendant | Male | Scandinavian |
| Leland | from the meadow land | Male | English |
| Lennie | Brave Lion | Unisex | English |
| Lennon | small cloak or cape | Male | Irish |
| Lennox | amid the lems, from the field of elm trees | Male | Scottish |
| Leo | Lion.
| Male | Latin |