| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| KonrÁD | - | Hungarian, Czech, Slovak | ||
| Konrad | KAWN-raht (German, Polish) | German, Swedish, Norwegian, Danish, Polish, Slovene | ||
| Konstantin | KAWN-stahn-teen (German), kahn-stahn-TEEN (Russian) | German, Hungarian, Russian, Serbian, Bulgarian, Macedonian | ||
| Konstantine | - | Georgian | ||
| Konstanze | - | German | ||
| Konul | - | Azerbaijani | ||
| KoppÁNy | - | Hungarian | ||
| Kora | KO-rah | German | ||
| Koraljka | - | Croatian | ||
| Koralo | ko-RAH-lo | Esperanto | ||
| Korbinian | kawr-BEE-nee-ahn | German | ||
| Kord | KAWRT | German | ||
| Korinna | - | Ancient Greek | ||
| KornÉL | KOR-nayl | Hungarian | ||
| KornÉLia | KOR-nay-lee-aw | Hungarian |