| Name | Meaning | Gender | Origin |
|---|
| Lily | Lily | Female | English |
| Lin | Fine jade | Female | Chinese |
| Lola | Sorrows | Female | Spanish |
| Lowri | Laurel | Female | Latin |
| Lucky | Fortunate | Unisex | English |
| Lucy | Light | Female | Latin |
| Lyn | "A Cascade."Variants Include Lynn, Linn, Lynna, And Lynne. | Female | English |
| Lynn | Dwells By The Torrent | Female | English |
| Lynne | A Cascade | Unisex | English |
| Maggie | Pearl | Female | Greek |
| March | Boundary | Unisex | French |
| Marged | Pearl | Female | Greek |
| Mari | Uncertain, maybe bitter | Female | Hebrew |
| Meg | Pearl | Female | Greek |
| Megan | Pearl | Female | Greek |
| Mickey | Who is like God? | Unisex | Hebrew |
| Mimi | Uncertain, maybe bitter | Female | Hebrew |
| Missy | Bee | Female | Greek |
| Misty | Misty | Female | English |
| Molly | Uncertain, maybe bitter | Female | Hebrew |
| Morgan | Uncertain, perhaps bright sea | Female | Welsh |
| Morgana | Uncertain, perhaps bright sea | Female | Welsh |
| Morwen | Maid | Female | Welsh |
| Morwenna | Maid | Female | Welsh |
| Mostyn | Moss enclosure | Unisex | English |
| Moxie | Ability to face difficulty with courage. | Unisex | English |
| Myfanwy | My little lovely one | Female | Welsh |
| Nerys | Lady | Female | Welsh |
| Nia | Radiance | Female | Gaelic |
| Nimue | The Lady Of The Lake | Female | Welsh |