| Name | Meaning | Gender | Origin |
|---|
| Kobi | | Unisex | Hebrew |
| Kodiak | Large Alaskan brown bear. | Female | Russian |
| Kona | Dark rich coffee blend from Hawaii. | Unisex | |
| Kookaburra | | Unisex | Hebrew |
| Kozmo | | Unisex | Hebrew |
| Kruger | | Unisex | Hebrew |
| Kunz | Honest Advisor | Unisex | German |
| Kylie | Boomerang. Feminine form of Kyle.
| Female | Aboriginal |
| Labyrinth | | Unisex | Hebrew |
| Lady | A female title of nobility. | Female | |
| Larissa | name of a city, mythical woman; cheerful one | Female | Ltin |
| Lastat | | Unisex | Hebrew |
| Laura | bay laurel | Female | Latin |
| Lava | Moulton Earth | Unisex | English |
| Lavender | Lavender, A Purple Flower | Female | English |
| Layla | night | Female | Arabic |
| Layla | night | Female | Arabic |
| Lazar | God Is My Helper | Unisex | Hungarian |
| Leah | cow, weary one; glad tidings; mistress, ruler | Female | Hebrew |
| Lefty | Left handed person. Member of the political left. | Unisex | |
| Lego | | Unisex | |
| Legolas | Tolkien, Lord of the Rings | Unisex | |
| Leia | Weary | Unisex | Hebrew |
| Lemmy | after Lemmy Kilmister of Motorhead | Unisex | |
| Lexis | Protector Of Mankind | Female | English |