| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Kester | - | Scottish | ||
| Ketill | - | Ancient Scandinavian | ||
| Ketilri&Eth;R | - | Ancient Scandinavian | ||
| Keturah | ki-TOOR-ə (English), kee-TYOOR-ə (English) | Biblical | ||
| Ketzi'ah | - | Biblical Hebrew | ||
| Kevin | KEV-in (English) | English, Irish, French, German, Dutch, Swedish, Norwegian, Danish | ||
| Keysha | - | African American (Rare) | ||
| Kezia | kə-ZIE-ə (English) | Biblical | ||
| Keziah | kə-ZIE-ə (English) | Biblical | ||
| Kgosi | - | Southern African, Tswana | ||
| Khadiga | - | Arabic (Egyptian) | ||
| Khadija | - | Arabic, Malay | ||
| Khaled | - | Arabic | ||
| Khaleel | - | Arabic | ||
| Khalid | - | Arabic |