| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Klimentina | - | Macedonian | ||
| Klopas | - | Biblical Greek | ||
| KnÚTr | - | Ancient Scandinavian | ||
| Kobe (1) | - | Dutch | ||
| Kobina | - | Western African, Akan | ||
| Kobus | KO-bus | Dutch | ||
| Koen | KOON | Dutch | ||
| Koenraad | KOON-rah:t | Dutch | ||
| Koert | KOORT | Dutch | ||
| Kofi | - | Western African, Akan | ||
| Kojo | - | Western African, Akan | ||
| Kondrat | KAWN-draht | Polish (Archaic) | ||
| Kondwani | kon-DWAH-nee | Southern African, Chewa | ||
| KonrÁD | - | Hungarian, Czech, Slovak | ||
| Konstantin | KAWN-stahn-teen (German), kahn-stahn-TEEN (Russian) | German, Hungarian, Russian, Serbian, Bulgarian, Macedonian |