| Leopoldo | A Bold Man. | Male |
| Lewis | Renowned Fighter. Form Of Louis. | Male |
| Lex | Abbreviation Of Alexander. | Male |
| Louise | Renowned Warrior | Female |
| Luana | Graceful Battle Maiden | Female |
| Ludwig | Famous Fighter | Male |
| Luther | Renowned Warrior. | Male |
| Maia | Myth Name (Mother Of Hermes) | Female |
| Manley | From The Hero's Meadow | Male |
| Marcella | Warring | Female |
| Marcia | "Variant Of Mark. Mars, Greek God." | Female |
| Marco | Warring | Male |
| Martin | Warrior Of Mars. | Male |
| Marty | Warrior Of Mars. | Male |
| Mathilda | Strong In War | Female |
| Matilda | Mother Of Merlin | Female |
| Maude | Strong In War | Female |
| Maya | Abbreviation Of Amalia: Variant Of Maia. | Female |
| Maynard | Powerful. | Male |
| Maynor | Powerful. | Male |
| Meinhard | Firm | Male |
| Mert | Lover Of Silence | Female |
| Millicent | Industrious | Female |
| Modig | Brave | Male |
| Modraed | Brave | Male |