| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Kailyn | KAY-lin | English (Modern) | ||
| Kaitlin | KAYT-lin | English (Modern) | ||
| Kaitlyn | KAYT-lin | English (Modern) | ||
| Kaitlynn | KAYT-lin | English (Modern) | ||
| Kaja (1) | KAH-yah (Swedish, Estonian) | Norwegian, Danish, Swedish, Estonian, Slovene | ||
| Kaja (2) | KIE-ah (Polish) | Polish, Slovene | ||
| Kaleb | KAY-ləb | English (Modern) | ||
| Kaleigh | KAY-lee, KA-lee | English (Modern) | ||
| Kaley | KAY-lee | English (Modern) | ||
| Kali | KAH-lee (Hinduism) | Hinduism, Bengali, Tamil | ||
| Kalie | KAY-lee | English (Modern) | ||
| Kalla | KAL-ə | English (Rare) | ||
| Kallias | - | Ancient Greek | ||
| Kallie | KAL-ee | English | ||
| Kallikrates | - | Ancient Greek |