| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Katriona | kə-TREE-nə, kat-ree-O-nə | English (Rare) | ||
| Kayleah | KAY-lee | English (Rare) | ||
| Kayleen | KAY-leen | English (Rare) | ||
| Kayly | KAY-lee | English (Rare) | ||
| Keefe | KEEF | Irish, English (Rare) | ||
| Keeleigh | KEE-lee | English (Rare) | ||
| Keighley | - | English (Rare) | ||
| Keir | - | Scottish, English (Rare) | ||
| Keiran | - | English (Rare) | ||
| Kelcey | KEL-see | English (Rare) | ||
| Kelda | - | English (Rare) | ||
| Kelia | - | English (Rare) | ||
| Kelleigh | KEL-ee | English (Rare) | ||
| Kemp | KEMP | English (Rare) | ||
| Kenelm | KEN-əlm | English (Rare) |