| Name | Meaning | Gender | Origin |
|---|
| Katie | Pure | Female | Greek |
| Kelsie | Chalk landing place | Female | English |
| King | King's forest clearing | Male | English |
| Kipu | | Unisex | Hebrew |
| Kishi | Beach, seashore | Unisex | Japanese |
| Kitty | Pure | Female | Greek |
| Kona | World rule | Unisex | Gaelic |
| Kong | Empty, hollow, void | Male | Chinese |
| Lacey | Lacy | Female | English |
| Laser | | Unisex | Hebrew |
| Lily | Lily | Female | English |
| Lincoln | Lake settlement, lake colony | Male | English |
| Lola | Sorrows | Female | Spanish |
| Loretta | Laurel | Female | Latin |
| Louie | Fame and war | Male | Germanic |
| Lucille | Light | Female | Latin |
| Lucy | Light | Female | Latin |
| Luna | Moon | Female | Latin |
| Lydia | Noble kind | Female | Germanic |
| Lynette | Bird | Female | English |
| Mac | Son of | Male | Gaelic |
| Maddy | Pet form of Mad- names | Female | English |
| Mae | The fifth month of the year | Female | English |
| Maggie | Pearl | Female | Greek |
| Magnum | A large type of wine bottle. | Unisex | English |
| Maisy | Pearl. Variant Of Margaret. | Unisex | English |
| Mara | Bitter | Female | Hebrew |
| Marley | Pleasant wood | Female | English |
| Maverick | Dissenter | Unisex | English |
| Maxi | Pet form of names starting with Max | Unisex | English |