| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Kotone | ko-to-ne | Japanese | ||
| Kotryna | - | Lithuanian | ||
| Kouki | ko:-kee | Japanese | ||
| Kouta | ko:-tah | Japanese | ||
| Krasimir | - | Bulgarian, Medieval Slavic | ||
| Krasimira | - | Bulgarian | ||
| Krastio | - | Bulgarian | ||
| Krastyo | - | Bulgarian | ||
| Krastyu | - | Bulgarian | ||
| KreŠImir | - | Croatian | ||
| KreŠImira | - | Croatian | ||
| KreŠO | - | Croatian | ||
| Kresten | - | Danish | ||
| Kreszentia | - | German | ||
| Kreszenz | - | German |