| Name | Meaning | Gender | Origin |
|---|
| Hilde | Battle-Maid | Unisex | English |
| Holmes | From the river island
| Male | English |
| Hugo | Intelligent
| Male | Latinized |
| Igor | Scottish variation of Welsh Ifor, lord or English form of Scandinavian Ifar, yew | Male | Russian |
| Inca | | Unisex | Hebrew |
| Isaac | laughing one | Male | Hebrew |
| Ivar | yew wood, archer | Male | Norse |
| Ivor | yew | Male | Scottish |
| Jacob | The supplanter, held by the heel | Male | Hebrew |
| Jakob | Supplanter, Representative | Unisex | German |
| Jarl | Noble | Unisex | Norwegian |
| Jenson | son of Jens | Male | Scandinavian |
| Jesper | Treasure | Unisex | Danish |
| Jory | God will uplift
| Male | English |
| Jurgen | German form of George
| Male | |
| Kai | Fire
| Male | Hawaiian |
| Kari | curly hair | Male | Norse |
| Karin | Pure | Unisex | Greek |
| Karlo | | Unisex | Hebrew |
| Kelby | Dark: dark-haired.
| Male | English |
| Kirby | church settlement | Male | Norse |
| Kirk | church | Male | Norse |
| Klara | Clear, Bright | Unisex | Scandinavian |
| Kristopher | Greek and Latin, bearer of Christ | Male | Greek |
| Lamont | Man Of Law | Male | Scottish |