| Name | Meaning | Gender | Origin |
|---|
| Isabelle | pledged to God | Female | |
| Ivy | ivy plant, a wine | Female | Plant |
| Jade | Jewel. Courageous and adoring.
| Female | Spanish |
| Jamie | Feminine of James | Female | Scottish |
| Jasmine | Flower
| Female | Persian |
| Jenna | white shadow, white wave | Female | English |
| Jennifer | white shadow, white wave | Female | Cornish |
| Jessica | God's grace | Female | Hebrew |
| Josh | God Saves | Unisex | English |
| Julia | Youthful
| Female | Latin |
| Julie | Youthful: Jove's child. A feminine of Julian.
| Female | |
| Juliette | youthful | Female | |
| Justine | just, true | Female | |
| Kate | Pure | Female | English |
| 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 |
| Katie | Variant of Katherine. Pure.
| Female | English |
| Kayla | crown of laurels | Female | Arabic |
| Kaylee | Arabic and Hebrew, laurel, crown | Female | American |
| Kendra | Blend of Ken: (royal obligation:clear water) and Sandra: (protector of man) or Andrea: (manly or masculine).
| Female | English |
| Laura | bay laurel | Female | Latin |
| Lauren | bay laurel | Female | English |
| Layla | night | Female | Arabic |
| Layla | night | Female | Arabic |
| Lea | weary or meadow | Female | English |
| Leah | cow, weary one; glad tidings; mistress, ruler | Female | Hebrew |