| Name | Meaning | Gender | Origin |
|---|
| Horowitz | | Unisex | Hebrew |
| Huey | Intelligent | Unisex | English |
| Hummel | | Unisex | Hebrew |
| Jazzy | Modern variant of Jasmine: combination of Jocelyn and the musical term jazz.
| Female | |
| Jenny | Diminutive of Jane and Jennifer.
| Female | English |
| Jenny | Diminutive of Jane and Jennifer.
| Female | English |
| Jerry Lee | after Jerry Lee Lewis | Unisex | |
| Jovi | after Jon Bon Jovi | Unisex | |
| Katie | Variant of Katherine. Pure.
| Female | English |
| Katy | pure | Female | Short |
| Katy | pure | Female | Short |
| Kiki | From Enriqueta - Pet | Female | |
| Kiki | From Enriqueta - Pet | Female | |
| Kokomo | | Unisex | Hebrew |
| Kylie | Boomerang. Feminine form of Kyle.
| Female | Aboriginal |
| Kyrie | Lord, Ruler | Unisex | Latin |
| Lady | A female title of nobility. | Female | |
| Lalo | To Sing A Lullaby | Unisex | Latin |
| Layla | night | Female | Arabic |
| Layla | night | Female | Arabic |
| Lolo | free man | Female | English |
| Lotti | | Female | |
| Lucille | light | Female | |
| Lucy | light: illumination.
| Female | English |
| Lullaby | | Unisex | |