| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Kartikeya | - | Hinduism | ||
| Karyn | KER-ən, KAR-ən | English | ||
| Karyna | - | English (Rare) | ||
| Kasandra | kə-SAN-drə (English) | English (Modern), Polish | ||
| Kasey | KAY-see | English | ||
| Kasia | KAH-shah | Polish | ||
| Kasih | - | Indonesian, Malay | ||
| Kasim | - | Turkish | ||
| Kasper | KAHS-per (Polish, Swedish), KAHS-pər (Dutch) | Polish, Dutch, Swedish, Norwegian, Danish | ||
| Kassandra | kə-SAN-drə (English) | Greek Mythology, Ancient Greek, English (Modern) | ||
| Kassia | KA-shə | English (Rare) | ||
| Kassidy | KAS-i-dee | English (Modern) | ||
| Kassy | KAS-ee | English (Modern) | ||
| Kasumi | kah-soo-mee | Japanese | ||
| Kat | KAT | English |