| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Kayin (1) | - | Western African, Yoruba | ||
| Kayin (2) | - | Biblical Hebrew | ||
| Kayode | - | Western African, Yoruba | ||
| KazimÍR | - | Czech, Slovak, Hungarian | ||
| Kazimir | kah-zee-MEER (Russian) | Russian, Medieval Slavic | ||
| Keavy | KEE-vee | Irish, Scottish | ||
| Kees | KAY:S | Dutch | ||
| Kefilwe | - | Southern African, Tswana | ||
| Keinan | - | Biblical Hebrew | ||
| Keir | - | Scottish, English (Rare) | ||
| Keisha | KEE-shə | African American | ||
| Keith | KEETH | English, Scottish | ||
| Keitha | - | Scottish | ||
| Kenan | KEE-nən (English) | Biblical | ||
| Kenaniah | - | Biblical |