| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Kester | - | Scottish | ||
| Kestrel | KES-trəl | English (Rare) | ||
| Ketill | - | Ancient Scandinavian | ||
| Ketilri&Eth;R | - | Ancient Scandinavian | ||
| Kettil | - | Swedish | ||
| Ketut | - | Indonesian, Balinese | ||
| Kev | - | English | ||
| Kevan | - | Irish | ||
| Kevin | KEV-in (English) | English, Irish, French, German, Dutch, Swedish, Norwegian, Danish | ||
| Kevyn | KEV-in | English (Rare) | ||
| Kgosi | - | Southern African, Tswana | ||
| Khadijeh | - | Persian | ||
| Khamisi | - | Eastern African, Swahili | ||
| Khan | - | Urdu, Pashto | ||
| Khariton | - | Russian |