| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Kallistrate | - | Ancient Greek | ||
| Kalypso | - | Greek Mythology | ||
| Kandake | - | Biblical, Biblical Greek | ||
| Karme | - | Greek Mythology | ||
| Karpos | - | Ancient Greek, Biblical Greek | ||
| Kassandra | kə-SAN-drə (English) | Greek Mythology, Ancient Greek, English (Modern) | ||
| Kassandros | - | Ancient Greek | ||
| Kassiopeia | - | Greek Mythology | ||
| Kastor | - | Greek Mythology | ||
| Katerina | - | Macedonian, Russian, Bulgarian, Greek, Late Roman | ||
| Katina | - | Greek, Macedonian | ||
| Kephalos | - | Greek Mythology | ||
| Kephas | - | Biblical Greek | ||
| Kepheus | - | Greek Mythology | ||
| Kerberos | - | Greek Mythology |