| Name | Meaning | Gender | Origin |
|---|
| Hunter | Hunter | Male | English |
| Igloo | Dome shaped Eskimo house made of blocks of snow. | Unisex | English |
| Igor | Warrior archer | Male | Norse |
| Indigo | Blue-purple colour | Unisex | English |
| Ivan | Russian variation of John, means "God is gracious" | Male | Russian |
| Jabba | | Unisex | Hebrew |
| Jack | God is gracious | Male | Hebrew |
| Jagger | Pedlar | Male | English |
| Jake | Supplanted | Male | Hebrew |
| Jaws | Bones that form the mouth. A dangerous situation - "The Jaws of Death" | Unisex | English |
| Jesse | Gift | Male | Hebrew |
| Jet | Black gemstone | Unisex | English |
| Jett | Black gemstone | Male | English |
| Jinx | Magic charm | Female | Latin |
| Jupiter | Father god | Unisex | Latin |
| Katie | Pure | Female | Greek |
| Kira | Dark | Female | Gaelic |
| Kishi | Beach, seashore | Unisex | Japanese |
| Kodiak | Island | Unisex | Russian |
| Kong | Empty, hollow, void | Male | Chinese |
| Kyra | Lady | Female | Greek |
| Lady | Lady | Unisex | English |
| Laika | The barker | Female | Russian |
| Leah | Weary | Female | Hebrew |
| Lightning | | Unisex | Hebrew |
| Lily | Lily | Female | English |
| Lincoln | Lake settlement, lake colony | Male | English |
| Lola | Sorrows | Female | Spanish |
| Lucky | Fortunate | Unisex | English |
| Lucy | Light | Female | Latin |