| Kasen | Unisex | English Names |
| Kass | Unisex | English Names |
| Kat | Woman | English Names |
| Kate | Woman | English Names |
| Kathryn | Woman | English Names |
| Kathy | Woman | English Names |
| Katie | Woman | English Names |
| Katy | Woman | English Names |
| Kavin | Man | English Names |
| Keaton | Unisex | English Names |
| Keats | Unisex | English Names |
| Keen | Unisex | English Names |
| Keene | Man | English Names |
| Keita | Unisex | English Names |
| Kelby | Unisex | English Names |
| Kelsey | Unisex | English Names |
| Kelson | Unisex | English Names |
| Kelton | Man | English Names |
| Kemp | Man | English Names |
| Kenda | Woman | English Names |