| Name | Meaning | Gender | Origin |
|---|
| Kaelyn | meadow | Unisex | |
| Kara | 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 |
| Keith | wood, wind; wood-dweller | Male | Scottish |
| Kelsey | Ceol's island, beautiful island; from the ship's island, shipping harbor | Female | English |
| Kendall | ruler of the valley | Female | English |
| Kensington | | Male | Hebrew |
| Kimberly | Cyneburga's Royal Forest, Meadow | Female | English |
| King | King's field. King is one of several titles occasionally used as given names.
| Male | English |
| Kingsley | Residence Name | Male | English |
| Kinsey | victorious prince | Female | English |
| Kipp | wearing a crown, sharply pointed hill | Male | English |
| Kristin | Anointed, Follower Of Christ | Female | German |
| Lachlan | From the land of lakes.
| Male | Scottish |
| Langley | Residence Name | Male | English |
| Laura | bay laurel | Female | Latin |
| Laurel | Laurel
| Female | Latin |
| Lauren | bay laurel | Female | English |
| Lawson | son of Lawrence | Male | English |
| Lee | Healer
| Male | English |
| Leigh | meadow | Female | English |
| Leila | dark as the night | Female | Persian |
| Leland | from the meadow land | Male | English |
| Lennox | amid the lems, from the field of elm trees | Male | Scottish |
| Leonard | lion-hearted | Male | |