| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Kiki | KEE-kee (English), kee-KEE (Greek) | English, German, Greek | ||
| Kirke | - | Greek Mythology | ||
| Kleio | - | Greek Mythology | ||
| Kleisthenes | - | Ancient Greek | ||
| Kleitos | - | Ancient Greek | ||
| Kleon | - | Ancient Greek | ||
| Kleopas | - | Biblical Greek | ||
| Kleopatra | - | Ancient Greek | ||
| Kleopatros | - | Ancient Greek | ||
| Klopas | - | Biblical Greek | ||
| Klotho | - | Greek Mythology | ||
| Klytaimnestra | - | Greek Mythology | ||
| KlytiË | - | Greek Mythology | ||
| Koios | - | Greek Mythology | ||
| Konstantina | kon-stahn-DEE-nah | Greek |