| Name | Meaning | Gender | Origin |
|---|
| Jabba | | Unisex | Hebrew |
| Jada | Precious green stone | Female | English |
| Jagger | Pedlar | Male | English |
| Jaws | Bones that form the mouth. A dangerous situation - "The Jaws of Death" | Unisex | English |
| Jett | Black gemstone | Male | English |
| Jezebel | Chaste, unmarried | Female | Hebrew |
| Jupiter | Father god | Unisex | Latin |
| Katie | Pure | Female | Greek |
| Kishi | Beach, seashore | Unisex | Japanese |
| Kong | Empty, hollow, void | Male | Chinese |
| Lady | Lady | Unisex | English |
| Leah | Weary | Female | Hebrew |
| Lennon | Descendant of Leannán or Lonán | Male | Gaelic |
| Leopold | Bold people | Male | Germanic |
| Lexy | Defending men | Unisex | Greek |
| Lincoln | Lake settlement, lake colony | Male | English |
| Lois | Battle Maiden | Female | Greek |
| Lola | Sorrows | Female | Spanish |
| Lucy | Light | Female | Latin |
| Luna | Moon | Female | Latin |
| Lyric | Lyric | Unisex | English |
| Mac | Son of | Male | Gaelic |
| Maggie | Pearl | Female | Greek |
| Magnum | A large type of wine bottle. | Unisex | English |
| Malu | Protection, shelter | Female | Hawaiian |
| Manley | Common clearing | Male | English |
| Max | Little Maximus | Male | Latin |
| Maxi | Pet form of names starting with Max | Unisex | English |
| Maya | Uncertain, perhaps mother or great one | Female | Greek |
| Mercy | Compassion | Female | English |