| Kolton | Unisex | English Names |
| Kordell | Unisex | English Names |
| Kristy | Woman | English Names |
| Kyel | Unisex | English Names |
| Kylee | Woman | English Names |
| Kyleigh | Woman | English Names |
| Kyna | Woman | English Names |
| Kyne | Man | English Names |
| Kynton | Man | English Names |
| Kyson | Man | English Names |
| Lacey | Woman | English Names |
| Lacy | Woman | English Names |
| Laddie | Man | English Names |
| Laine | Woman | English Names |
| Lainey | Woman | English Names |
| Lake | Unisex | English Names |
| Lance | Man | English Names |
| Landen | Unisex | English Names |
| Lander | Man | English Names |
| Landers | Man | English Names |