| Kaia | Woman | Scandinavian Names |
| Kaja | Woman | Scandinavian Names |
| Kajsa | Woman | Scandinavian Names |
| Kalle | Man | Scandinavian Names |
| Kare | Man | Scandinavian Names |
| Karen | Woman | Scandinavian Names |
| Karena | Woman | Scandinavian Names |
| Kari | Unisex | Scandinavian Names |
| Karin | Woman | Scandinavian Names |
| Karina | Woman | Scandinavian Names |
| Karine | Woman | Scandinavian Names |
| Kaya | Woman | Scandinavian Names |
| Kelda | Woman | Scandinavian Names |
| Kerstin | Woman | Scandinavian Names |
| Ketill | Man | Scandinavian Names |
| Kiersten | Woman | Scandinavian Names |
| Kirk | Man | Scandinavian Names |
| Kirsi | Woman | Scandinavian Names |
| Kirstie | Woman | Scandinavian Names |
| Kjerstin | Woman | Scandinavian Names |