| Kristin | Woman | German Names |
| Kristina | Woman | Slavic Names |
| Kristine | Woman | Scandinavian Names |
| Kristjan | Man | Scandinavian - Icelandic Names |
| Kristjana | Woman | Scandinavian Names |
| Kristoff | Man | Scandinavian Names |
| Kristoffer | Man | Scandinavian Names |
| Kristopher | Man | American Names |
| Kristy | Woman | English Names |
| Krisztian | Man | Hungarian Names |
| Krizia | Woman | Latin Names |
| Krosstin | Man | American Names |
| Krystal | Woman | American Names |
| Ksena | Woman | Polish Names |
| Ksenia | Woman | Russian Names |
| Kualii | Man | Hawaiian Names |
| Kulon | Man | Indonesian Names |
| Kulya | Woman | Native American - Miwok Names |
| Kuma | Woman | Japanese Names |
| Kumani | Woman | African - West Africa Names |