| Karsten | Unisex | German Names |
| Karston | Man | English Names |
| Kartik | Man | Indian Names |
| Karuka | Woman | Indian Names |
| Kasa | Woman | Native American - Hopi Names |
| Kasabian | Man | Armenian Names |
| Kasani | Unisex | English Names |
| Kaseko | Man | African Names |
| Kasen | Unisex | English Names |
| Kash | Man | Indian Names |
| Kashiti | Woman | Indian Names |
| Kashton | Man | American Names |
| Kashveen | Woman | American Names |
| Kasi | Woman | Indian Names |
| Kasia | Woman | Polish Names |
| Kasib | Man | Arabic Names |
| Kasim | Man | African Names |
| Kaspar | Man | German Names |
| Kass | Unisex | English Names |
| Kassa | Man | African - Amharic/Ethiopian male name. Names |