| Liupold | | - | Ancient Germanic | |
| Lothar | | LO-tahr (German) | German, Ancient Germanic | |
| Ludolf | | LOO-dawlf (German) | German, Dutch, Ancient Germanic | |
| Ludovicus | | - | Ancient Germanic (Latinized) | |
| Luitgard | | - | German, Ancient Germanic | |
| Lutgardis | | - | Ancient Germanic (Latinized) | |
| Mahthildis | | - | Ancient Germanic | |
| Manno | | - | Ancient Germanic | |
| Mathilda | | mə-TIL-də (English, Swedish) | English, Swedish, Ancient Germanic | |
| Meginfrid | | - | Ancient Germanic | |
| Meginhard | | - | Ancient Germanic | |
| Meginrat | | - | Ancient Germanic | |
| Meino | | MIE-no (German, Dutch) | German, Dutch, Ancient Germanic | |
| Meinrad | | MIEN-raht (German) | German, Ancient Germanic | |
| Milo | | MIE-lo (English) | English, Ancient Germanic | |