| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| KOLDOBIKA | - | Basque | ||
| KOLE | KOL | English (Modern) | ||
| KOLLEEN | kah-LEEN | English (Rare) | ||
| KOLMAN | KAWL-mahn | German (Rare) | ||
| KOLOMAN | KO-lo-mahn (German) | German (Rare), Slovak | ||
| KOLOS | KO-losh | Hungarian | ||
| KOLYA | - | Russian | ||
| KOMANG | - | Indonesian, Balinese | ||
| KONANI | - | Hawaiian | ||
| KONDRAT | KAWN-draht | Polish (Archaic) | ||
| KONDWANI | kon-DWAH-nee | Southern African, Chewa | ||
| KONNOR | KAHN-ər | English (Modern) | ||
| KONRÁD | - | Hungarian, Czech, Slovak | ||
| KONRAD | KAWN-raht (German, Polish) | German, Swedish, Norwegian, Danish, Polish, Slovene | ||
| KONSTANCJA | kawn-STAHNTS-yah | Polish |