| Name | Meaning | Gender | Origin |
|---|
| Icy | | Unisex | Hebrew |
| Indigo | A dark blue plant dye | Female | Greek |
| Indy | after Indiana Jones | Unisex | |
| Irie | positive and powerful | Female | Jamaican |
| Jaeger | Hunter | Unisex | German |
| Jager | Carter | Unisex | English |
| Jansen | Variant Of The Hebrew John Jehovah Has Been Gracious; Has Shown Favor. | Unisex | German |
| Jazzy | Modern variant of Jasmine: combination of Jocelyn and the musical term jazz.
| Female | |
| Jedi | Beloved By God | Unisex | Hebrew |
| Juju | | Unisex | Hebrew |
| Kalo | | Unisex | |
| Katana | Sword | Unisex | Japanese |
| Kiwi | | Unisex | Hebrew |
| Kizzy | From Roots | Female | English |
| Kodiak | Large Alaskan brown bear. | Female | Russian |
| Koy | | Unisex | Hebrew |
| Lalo | To Sing A Lullaby | Unisex | Latin |
| Leeloo | after the character in the movie The Fifth Element | Unisex | |
| Legacy | | Unisex | |
| Lion | Lion | Unisex | English |
| Low | | Unisex | Hebrew |
| Madonna | my lady | Female | Latin |
| Mafalda | Strength In Battle | Female | Italian |
| Mahogany | American evergreen tree valued for its hard, red-brown wood | Female | Spanish |
| Manda | Harmony, Beloved | Female | Latin |