| Name | Meaning | Gender | Origin |
|---|
| Lear | Clearing | Male | Germanic |
| Lily | Lily | Female | English |
| Lizzie | My God is a vow | Unisex | Hebrew |
| Lola | Sorrows | Female | Spanish |
| Louie | Fame and war | Male | Germanic |
| Lucy | Light | Female | Latin |
| Ludwig | Fame and war | Male | Germanic |
| Lyric | Lyric | Unisex | English |
| Maddy | Pet form of Mad- names | Female | English |
| Maestro | | Unisex | Hebrew |
| Maggie | Pearl | Female | Greek |
| Magnus | Great | Male | Latin |
| Maisie | Pet form of Mairead | Female | Gaelic |
| Margie | Pearl | Female | Greek |
| Matilda | Powerful battler | Female | Germanic |
| Maud | Powerful battler | Female | German |
| Max | Little Maximus | Male | Latin |
| Maxie | Pet form of names starting with Max | Unisex | English |
| Millie | Labour | Female | Germanic |
| Mimi | Uncertain, maybe bitter | Female | Hebrew |
| Minnie | Will, desire + helmet, protection | Female | Germanic |
| Miranda | She who must be admired | Female | Latin |
| Missy | Bee | Female | Greek |
| Misty | Misty | Female | English |
| Molly | Uncertain, maybe bitter | Female | Hebrew |
| Morgan | Uncertain, perhaps bright sea | Female | Welsh |
| Moxie | Ability to face difficulty with courage. | Unisex | English |
| Murphy | Sea warrior | Male | Gaelic |
| Nell | Abbreviation Of Eleanor Shining Light. | Female | English |
| Nellie | Abbreviation Of Eleanor Shining Light. | Female | English |