| Name | Meaning | Gender | Origin |
| Lola | Sorrows | Female | Spanish |
| Louise | Fame and war | Female | Germanic |
| Lucy | Light | Female | Latin |
| Luna | Moon | Female | Latin |
| Maddie | Pet form of Mad- names | Unisex | English |
| Magda | Of Magdala | Female | Hebrew |
| Maggie | Pearl | Female | Greek |
| Magnum | A large type of wine bottle. | Unisex | English |
| Mara | Bitter | Female | Hebrew |
| Marie | Bitter | Female | Hebrew |
| Maxi | Pet form of names starting with Max | Unisex | English |
| May | The fifth month of the year | Female | English |
| Maya | Uncertain, perhaps mother or great one | Female | Greek |
| Mercy | Compassion | Female | English |
| Michele | Who is like God? | Female | Hebrew |
| Mignon | Cute | Female | French |
| Mikey | Who is like God? | Unisex | Hebrew |
| Millie | Labour | Female | Germanic |
| Mimi | Uncertain, maybe bitter | Female | Hebrew |
| Missy | Bee | Female | Greek |
| Misty | Misty | Female | English |
| Mocha | Coffee of high quality. | Unisex | English |
| Molly | Uncertain, maybe bitter | Female | Hebrew |
| Moose | Largest member of the deer family. Moose have heavy brown bodies with humped shoulders and broad antlers. | Unisex | English |
| Morgan | Uncertain, perhaps bright sea | Female | Welsh |
| Mya | Uncertain, perhaps mother or great one | Female | Greek |
| Nicole | Victory of the people | Female | Greek |
| Nikki | Victory of the people | Female | Greek |
| Ninja | | Unisex | Hebrew |
| Olivia | Elf army | Female | English |