| Name | Meaning | Gender | Origin |
|---|
| Kishi | Beach, seashore | Unisex | Japanese |
| Kit | Bearer of Christ | Unisex | Greek |
| Kojak | | Unisex | Hebrew |
| Kyra | Lady | Female | Greek |
| Lacy | Lacy | Female | English |
| Laney | Torch | Female | Greek |
| Leon | Lion | Male | Latin |
| Lex | Defending men | Unisex | Greek |
| Lexus | A brand of car | Female | English |
| Liesel | My God is a vow | Female | Hebrew |
| Lily | Lily | Female | English |
| Lincoln | Lake settlement, lake colony | Male | English |
| Lola | Sorrows | Female | Spanish |
| Lucky | Fortunate | Unisex | English |
| Lucy | Light | Female | Latin |
| Luna | Moon | Female | Latin |
| Maddy | Pet form of Mad- names | Female | English |
| Maggie | Pearl | Female | Greek |
| Magnum | A large type of wine bottle. | Unisex | English |
| Major | Greater | Male | Latin |
| Mango | After the character in Saturday Night Live | Unisex | English |
| Maria | Bitter | Female | Hebrew |
| Mark | From the god Mars | Male | Latin |
| Max | Little Maximus | Male | Latin |
| Maxi | Pet form of names starting with Max | Unisex | English |
| May | The fifth month of the year | Female | English |
| Mercy | Compassion | Female | English |
| Merlin | Sea fort | Male | Welsh |
| Missy | Bee | Female | Greek |
| Mojo | Good luck charm. | Unisex | English |