| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| KLEMENTINA | - | Slovene, Croatian | ||
| KLEMENTYNA | kle-men-TI-nah | Polish | ||
| KLEON | - | Ancient Greek | ||
| KLEOPAS | - | Biblical Greek | ||
| KLEOPATRA | - | Ancient Greek | ||
| KLEOPATROS | - | Ancient Greek | ||
| KLIM | - | Russian, Ukrainian | ||
| KLIMENT | klee-MYENT (Russian) | Russian, Ukrainian, Bulgarian, Macedonian | ||
| KLIMENTINA | - | Macedonian | ||
| KLOPAS | - | Biblical Greek | ||
| KLOTHO | - | Greek Mythology | ||
| KLOTILD | - | Hungarian | ||
| KLYTAIMNESTRA | - | Greek Mythology | ||
| KLYTIË | - | Greek Mythology | ||
| KNÚTR | - | Ancient Scandinavian |