| Name | Meaning | Gender | Origin |
|---|
| Ivy | ivy plant, a wine | Female | Plant |
| Jamie | Feminine of James | Female | Scottish |
| Java | Brewed coffee | Female | Anglicization |
| Jemma | Italian, precious stone | Female | Spelling |
| Jessica | God's grace | Female | Hebrew |
| Jessie | wealthy | Female | Anglicized |
| Jordy | Flow, Descend | Unisex | English |
| Josephine | God will increase | Female | |
| Josie | From Josephine - She shall add. | Female | English |
| Kamala | lotus | Female | Hindi |
| Kara | pure | Female | English |
| Kate | Pure | Female | English |
| Katniss | | Female | |
| Katniss | | Female | |
| Kaylee | Arabic and Hebrew, laurel, crown | Female | American |
| Kazooie | | Unisex | Hebrew |
| Keiko | Japanese for happy or beloved | Female | Japanese |
| Kelsey | Ceol's island, beautiful island; from the ship's island, shipping harbor | Female | English |
| Khaleesi | Modern Invented Name | Female | English |
| Leela | Playful | Female | Hindu |
| Legolas | Tolkien, Lord of the Rings | Unisex | |
| Leia | Weary | Unisex | Hebrew |
| Leslie | dweller in the gray castle; small meadow | Female | Scottish |
| Lindsay | pool island; linden island | Female | English |
| Linux | | Unisex | Hebrew |