| Name | Meaning | Gender | Origin |
|---|
| Jiro | Second son | Male | Japanese |
| Kai | Rejoice | Male | Finnish |
| Kana | Name of a demi-god | Male | Hawaiian |
| Kaspar | Treasurer | Male | Persian |
| Kearney | Victorious | Male | Gaelic |
| Keen | Wailing In Mourning | Unisex | Celtic |
| Keiji | Respect and two | Male | Japanese |
| Keith | Woods | Male | Gaelic |
| Ken | Born of fire | Male | Gaelic |
| Kenelm | Defends The Family | Male | English |
| Kennard | Royal bravery | Male | English |
| Kennedy | Armored head | Male | Gaelic |
| Kiyoshi | Quiet | Male | Japanese |
| Lane | Lane | Unisex | English |
| Lewis | Fame and war | Male | Germanic |
| Lex | Defending men | Unisex | Greek |
| Lexy | Defending men | Unisex | Greek |
| Liam | Will, desire and helmet, protection | Male | Germanic |
| Lord | A male title of nobility. | Unisex | English |
| Luther | People army | Male | Germanic |
| Lysandra | Freeing a man | Male | Greek |
| Makoto | Sincerity | Male | Japanese |
| Mamoru | Protect | Male | Japanese |
| Marco | From the god Mars | Male | Latin |
| Medusa | Cunning | Unisex | English |
| Miles | Uncertain, perhaps peaceful | Male | Germanic |
| Millard | Guardian of the mill | Male | English |
| Milo | Uncertain, perhaps peaceful | Male | Germanic |
| Murray | Man of the sea | Male | Gaelic |
| Ned | Wealth protector | Unisex | English |