| Baby Name | Meaning | Gender |
|---|
| Jocasta | Myth Name (A Queen Of Thebes) | Female |
| Jocelin | Supplanter | Female |
| John | Jehovah Has Been Gracious: Has Shown Favor. In The Bible John The Baptist Baptized Christ In The Jordan River. Variants Have Been Created In Almost Every Language. | Male |
| Jordan | Flowing Down | Male |
| Juliana | Name Of A Poem | Female |
| Julianna | Youthful | Female |
| Juliet | Youthful: Variant Of Julia. Jove's Child. Star Crossed Lover In The Shakespearian Tragedy Romeo And Juliet. | Female |
| Kairos | Myth Name | Female |
| Kali | Hesitation | Female |
| Kalonice | Victory Of Beauty | Female |
| Kane | Intelligent | Male |
| 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 |
| Keenan | Sharp | Male |
| Keir | Dark Skinned | Male |
| Keiran | Dusky: Dark-Haired. | Male |
| Ketura | Incense | Female |
| Khalid | Eternal | Male |
| Kiara | Dark. Feminine Of Ciaran. Name Of A Saint | Female |
| Killian | Strife Or Battle Small: Fierce. | Male |
| Lace | Derived From Lacey Which Is A French Nobleman's Surname Brought To British Isles After Norman Conquest. | Female |
| Lamia | Myth Name (An Evil Spirit Who Abducts And Murders Children) | Female |
| Lamya | Of Dark Lips | Female |
| Lance | Servant | Male |
| Lancelot | Knight Of Arthur And Lover Of Guinevere | Male |
| Laura | Laurel | Female |