| Name | Meaning | Gender | Origin |
|---|
| Hubert | bright, shining intellect | Male | |
| Huey | Intelligent | Unisex | English |
| Hugh | bright in mind and spirit | Male | English |
| Hugo | Intelligent
| Male | Latinized |
| Humberto | Big: bright.
| Male | |
| Izzy | Salvation By God | Male | English |
| Jasper | Black stone
| Male | Persian |
| Jasper | Black stone
| Male | Persian |
| Jasper | Black stone
| Male | Persian |
| Javier | Born in January
| Male | Spanish |
| Jelly | | Unisex | Hebrew |
| Kalea | bright | Unisex | |
| Kane | tribute, warrior; the doubly-accomplished, golden; man, the eastern sky; beautiful | Male | Celtic |
| Keegan | A thinker: fiery. Form of Hugh.
| Male | Irish |
| Keene | Ancient.
| Male | |
| Kegan | A thinker: fiery. Form of Hugh.
| Male | |
| Kenji | after Michael Kenji Shinoda, from the band Linkin Park | Male | Japanese |
| Klara | Clear, Bright | Unisex | Scandinavian |
| Klarissa | Clear | Unisex | Latin |
| Lama | | Male | |
| Lambert | Light of land
| Male | |
| Lucien | light | Male | |
| Maisy | | Unisex | |
| Morgaine | Sea Circle | Unisex | French |
| Morgann | | Unisex | |