| Name | Meaning | Gender | Origin |
|---|
| Merlin | Sea fort | Male | Welsh |
| Merrick | Moor | Male | Welsh |
| Mesha | Given life during the lunar month of aries | Female | Indian |
| Micheal | Form Of Michael Who Is Like God? | Unisex | English |
| Midnight | Intense darkness, the middle of the night | Unisex | English |
| Miko | Crimson truth | Male | Japanese |
| Miles | Uncertain, perhaps peaceful | Male | Germanic |
| Milly | Labour | Female | Germanic |
| Minerva | Mind | Female | Latin |
| Misty | Misty | Female | English |
| Mita | Friend | Female | Sanskrit |
| Mittens | | Unisex | Hebrew |
| Mitzi | Uncertain, maybe bitter | Unisex | Hebrew |
| Miya | Temple | Female | Japanese |
| Mohan | Enchanting | Male | Sanskrit |
| Molly | Uncertain, maybe bitter | Female | Hebrew |
| Moonlight | | Unisex | Hebrew |
| Moony | | Unisex | Hebrew |
| Morag | Moor | Female | Latin |
| Morgan | Uncertain, perhaps bright sea | Female | Welsh |
| Morgana | Uncertain, perhaps bright sea | Female | Welsh |
| Morgandy | Little One From The Edge Of The Sea | Female | Celtic |
| Motega | Arrow that's new | Male | Native American |
| Mozart | | Unisex | Hebrew |
| Muriel | Bright as the sea | Female | Gaelic |
| Myra | Uncertain, perhaps myrrh, unguent | Female | Latin |
| Myrtle | Myrtle | Female | English |
| Narcissa | Self-love | Female | Greek |
| Narda | Anointed | Female | Latin |
| Natesa | Lord of dancers | Female | Sanskrit |