| Name | Meaning | Gender | Origin |
|---|
| Lenny | Brave lion | Unisex | German |
| Leona | Lion | Female | Latin |
| Leopolda | Of The People | Female | English |
| Lex | Defending men | Unisex | Greek |
| Leyna | Little Heavenly Messenger | Female | German |
| Lilo | Generous One | Unisex | German |
| Link | Left hand | Unisex | German |
| Lola | Sorrows | Female | Spanish |
| Lorelei | Murmuring rock | Female | German |
| Loring | Of Lothair | Unisex | French |
| Lotta | Free man | Female | German |
| Lotte | Free man | Female | German |
| Lottie | Free man | Female | German |
| Louise | Fame and war | Female | Germanic |
| Mallory | Luckless | Female | French |
| Mandel | Almond | Unisex | German |
| Mariel | Uncertain, maybe bitter | Female | Hebrew |
| Marlee | Contraction of Maria Magdalene | Female | German |
| Marlena | Contraction of Maria Magdalene | Female | German |
| Marlene | Of Magdala | Female | Hebrew |
| Marlie | Contraction of Maria Magdalene | Female | German |
| Mathilda | Powerful battler | Female | Germanic |
| Mathilde | Powerful battler | Female | German |
| Matilde | Powerful battler | Female | German |
| Mattie | Powerful battler | Female | German |
| Maud | Powerful battler | Female | German |
| Maude | Powerful battler | Female | German |
| Maya | Uncertain, perhaps mother or great one | Female | Greek |
| Milla | Industrious | Female | English |
| Millicent | Strong work | Female | Germanic |