| Karsen | Unisex | American Names |
| Kashton | Man | American Names |
| Kashveen | Woman | American Names |
| Kateisha | Woman | American Names |
| Katelin | Woman | American Names |
| Katelyn | Woman | American Names |
| Katet | Man | American Names |
| Katiana | Woman | American Names |
| Katima | Woman | American Names |
| Katlyn | Woman | American Names |
| Katniss | Woman | American Names |
| Katrice | Woman | American Names |
| Kavon | Man | American Names |
| Kayanna | Woman | American Names |
| Kaybella | Woman | American Names |
| Kayce | Unisex | American Names |
| Kaycee | Unisex | American Names |
| Kaydence | Woman | American Names |
| Kayla | Woman | American Names |
| Kaylana | Woman | American Names |