| Name | Meaning | Gender | Origin |
|---|
| Juniper | Juniper Tree | Female | English |
| Kahlan | after the character in Terry Goodkind's Sword of Truth novels | Unisex | |
| Kalina | Flower
| Female | |
| Karinna | | Female | |
| Katherine | Pure. Used since third century A.D. Early Latin forms Katerina and Caterina became Katharine and Catherine. French Cateline and English Catlyn came into wider use during medieval period when variants multiplied.
| Female | Greek |
| Kawaii | | Unisex | |
| Kendra | Blend of Ken: (royal obligation:clear water) and Sandra: (protector of man) or Andrea: (manly or masculine).
| Female | English |
| Keo | | Unisex | Hebrew |
| Keondra | Goddess
| Female | |
| Khari | Queenly: Joyful Song: Born to rule and bring joy.
| Female | |
| Kiana | Variant of Kian. Ancient.
| Female | Modern |
| Kismet | fate, destiny | Female | Word |
| Kloey | Blooming. Variant of Chloe.
| Female | |
| Komen | | Unisex | |
| Kylah | Feminine form of Kyle (Fair).
| Female | |
| Lady | A female title of nobility. | Female | |
| Lady Godiva | | Unisex | Hebrew |
| Ladybug | | Female | Hebrew |
| Lalima | Beauty and Goddess Laxmi
| Female | |
| Lavender | Lavender, A Purple Flower | Female | English |
| Lavender Brown | Gryffindor student.
| Female | |
| Lenny And Squiggy | | Unisex | Hebrew |
| Lilah | The Lily | Unisex | |
| Lily Potter | Harry's mother who was also killed by Lord Voldemort.
| Female | |
| Lise | Abbreviation of Elisabeth. My God is bountiful:God of plenty: devoted to God.
| Female | |