| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Kain | - | Biblical Greek | ||
| Kainan | - | Biblical Greek | ||
| KajetÁN | - | Czech, Slovak, Hungarian | ||
| Kalev (2) | - | Biblical Hebrew | ||
| Kalina | - | Bulgarian, Macedonian, Polish | ||
| Kalisha | kə-LEESH-ə, kə-LISH-ə | African American (Rare) | ||
| Kallias | - | Ancient Greek | ||
| Kallikrates | - | Ancient Greek | ||
| Kallisto | - | Greek Mythology, Ancient Greek | ||
| Kallistos | - | Ancient Greek | ||
| Kallistrate | - | Ancient Greek | ||
| Kamal (1) | - | Arabic | ||
| Kamaria | - | Eastern African, Swahili | ||
| Kambujiya | - | Ancient Persian | ||
| Kamil (1) | - | Arabic |