| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| 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 | ||
| Koos | KO:S | Dutch | ||
| Koraljka | - | Croatian | ||
| Koresh | - | Biblical Hebrew | ||
| Korinna | - | Ancient Greek | ||
| KornÉLie | - | Czech | ||
| Kornel | KAWR-nel (Polish) | Polish, Czech, Slovak | ||
| Kornelija | - | Croatian, Serbian | ||
| Kosmas | - | Ancient Greek |