| Name | Meaning | Gender | Origin |
|---|
| Kewpie | | Unisex | Hebrew |
| Kioko | Joyful child | Female | Japanese |
| Kitty | Pure | Female | Greek |
| Koko | The second child | Female | African |
| Kota | The allies | Unisex | Native American |
| Lady | Lady | Unisex | English |
| Lauren | Man from Laurentum | Female | Latin |
| Lily | Lily | Female | English |
| Lottie | Free man | Female | German |
| Lotus | Flowery | Female | Greek |
| Lucia | Light | Female | Latin |
| Lucky | Fortunate | Unisex | English |
| Lucy | Light | Female | Latin |
| Maddy | Pet form of Mad- names | Female | English |
| Maggie | Pearl | Female | Greek |
| Magic | Possessing qualities that produce baffling effects | Unisex | English |
| Maisy | Pearl. Variant Of Margaret. | Unisex | English |
| Mandy | She who must be loved | Female | Latin |
| Marley | Pleasant wood | Female | English |
| Mei | The youngest of sisters | Female | Chinese |
| Melinda | Blending of 'mel' and 'inda' | Female | English |
| Mia | Uncertain, maybe bitter | Female | Hebrew |
| Milk | | Unisex | Hebrew |
| Minnie | Will, desire + helmet, protection | Female | Germanic |
| Missy | Bee | Female | Greek |
| Misty | Misty | Female | English |
| Molly | Uncertain, maybe bitter | Female | Hebrew |
| Momo | Gangster from the movie Get Shorty | Female | English |
| Muffin | A small cup shaped cake | Unisex | English |
| Munchkin | A very small elflike person. | Unisex | English |