| Name | Meaning | Gender | Origin |
|---|
| Kay | Pure | Male | Greek |
| Kermit | Son of the one without envy | Male | Gaelic |
| King | King's forest clearing | Male | English |
| Kip | Pet form of Kipling | Unisex | English |
| Kishi | Beach, seashore | Unisex | Japanese |
| Lady | Lady | Unisex | English |
| Levi | Combined | Male | Hebrew |
| Lightning | | Unisex | Hebrew |
| Louie | Fame and war | Male | Germanic |
| Louis | Fame and war | Male | Germanic |
| Lucky | Fortunate | Unisex | English |
| Luke | Man from Lucania | Male | Greek |
| Magic | Possessing qualities that produce baffling effects | Unisex | English |
| Malcolm | Columba's servant | Male | Gaelic |
| Marvin | Uncertain, possibly eminent marrow | Male | Welsh |
| Matt | Gift of God | Male | Hebrew |
| Max | Little Maximus | Male | Latin |
| Mickey | Who is like God? | Unisex | Hebrew |
| Midnight | Intense darkness, the middle of the night | Unisex | English |
| Mister | | Unisex | Hebrew |
| Mojo | Good luck charm. | Unisex | English |
| Monster | A creature of frightening appearance | Unisex | English |
| Montana | Mountainous | Unisex | Latin |
| Monty | Gomeric's hill | Male | French |
| Murphy | Sea warrior | Male | Gaelic |
| Napoleon | Sons of the mist, a race of dwarves | Male | Germanic |
| Navi | To name | Unisex | English |
| Nelson | Son of Neal | Male | English |
| Nicky | Victory of the people | Unisex | Greek |
| Nicodemus | Victory of the people | Male | Greek |