| Name | Meaning | Gender | Origin |
|---|
| Kelsey | Ceol's island, beautiful island; from the ship's island, shipping harbor | Female | English |
| Kenny | English, born of fire, handsome | Male | English |
| Kiana | Variant of Kian. Ancient.
| Female | Modern |
| Kiara | Italian, light, clear | Female | Spelling |
| Kira | Dark Lady.
| Female | Russian |
| Kisses | One who likes to kiss | Male | |
| Kizzy | From Roots | Female | English |
| Kovu | | Unisex | |
| Kula | Hawaiian for golden one | Unisex | |
| Kyo | Approval, Ginger, Or Large | Unisex | Japanese |
| Lacy | Derived from Lacey which is a French Nobleman's surname brought to British Isles after Norman conquest.
| Male | |
| Lady | A female title of nobility. | Female | |
| Laker | | Unisex | Hebrew |
| Lance | knight's attendant; land | Male | English |
| Latte | Expresso coffee mixed with steamed milk - a caf latte. | Male | |
| Lemon | | Unisex | Hebrew |
| Lena | Alluring, Temptress, Light | Female | Greek |
| Leo | Lion.
| Male | Latin |
| Leonardo | Lion-bold. Leonardo da Vinci is considered by many to be the most brilliant and creative men who ever lived.
| Male | Italian |
| Lexi | Greek, feminine form of Alexander, defending men | Female | English |
| Lightning | | Unisex | Hebrew |
| Lilly | Lily | Female | English |
| Lion | Lion | Unisex | English |
| Loki | To Break | Male | Norse |
| LouLou | | Unisex | Hebrew |