| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Kiefer | KEE-fər | English (Modern) | ||
| Kielo | KEE-e-lo | Finnish | ||
| Kiera | KEER-a, KEE-ar-a | Irish | ||
| Kieran | KEER-awn, KEE-ar-awn | Irish | ||
| Kieron | KEER-awn, KEE-ar-awn | Irish | ||
| Kierra | kee-ER-ə | English (Modern) | ||
| Kiersten | - | English (Modern) | ||
| Kiira | KEE:-rah | Finnish | ||
| Kike | KEE-ke | Spanish | ||
| Kiki | KEE-kee (English), kee-KEE (Greek) | English, German, Greek | ||
| Kiku | kee-koo | Japanese | ||
| Kiley | KIE-lee | English | ||
| Kilian | KEE-lee-ahn (German) | German, Irish, French | ||
| Kilie | KIE-lee | English (Rare) | ||
| Killian | - | Irish, French |