| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| KĘSTUTIS | - | Lithuanian | ||
| KÁLMÁN | - | Hungarian | ||
| KÁRI | - | Ancient Scandinavian | ||
| KÁROLY | KAH-roi | Hungarian | ||
| KÁZMÉR | - | Hungarian | ||
| KÅRE | KOR-e (Swedish) | Norwegian, Swedish, Danish | ||
| KÓRI | - | Ancient Scandinavian | ||
| KÖRBL | KUUR-bəl | German | ||
| KAĞAN | - | Turkish | ||
| KAAN | - | Turkish | ||
| KAAPO | KAH:-po | Finnish | ||
| KAAPRO | KAH:P-ro | Finnish | ||
| KAARLE | KAH:R-le | Finnish | ||
| KAARLO | KAH:R-lo | Finnish | ||
| KACPER | KAHTS-per | Polish |