| Name | Meaning | Gender | Origin |
|---|
| Hrothrehr | Famous ruler
| Male | |
| Hugh | bright in mind and spirit | Male | English |
| Hughes | Surname.
| Male | |
| Hungas | One vigor
| Male | |
| Hurley | after the skateboard brand | Male | Irish |
| Irish | People of Ireland. Also lucky - "The Luck of the Irish". | Unisex | |
| Justin | just, true | Male | Latin |
| Kane | tribute, warrior; the doubly-accomplished, golden; man, the eastern sky; beautiful | Male | Celtic |
| Kavan | battle | Male | |
| Keegan | A thinker: fiery. Form of Hugh.
| Male | Irish |
| Keely | Beautiful | Unisex | Irish |
| Keenan | Ancient
| Male | Irish |
| Keene | Ancient.
| Male | |
| Keenon | Surname.
| Male | |
| Kegan | A thinker: fiery. Form of Hugh.
| Male | |
| Keiran | Little, Dark | Unisex | Celtic |
| Kenny | English, born of fire, handsome | Male | English |
| Kermit | free man | Male | Irish |
| Kerry | dark, dark-haired | Male | Irish |
| Kevin | handsome | Male | Irish |
| Killian | church | Male | Irish |
| Kirby | church settlement | Male | Norse |
| Lee | Healer
| Male | English |
| Lennon | small cloak or cape | Male | Irish |
| Liam | Form of William.
| Male | Irish |