| Name | Meaning | Gender | Origin |
| Melia | Rival | Female | Latin |
| Melisande | Strong work | Female | Germanic |
| Melodie | Melody | Female | English |
| Melody | Melody | Female | Greek |
| Meredith | Great lord | Female | Welsh |
| Meri | Mirthful: Joyous. Also An Abbreviation Of Meredith. | Unisex | English |
| Meriel | Bright as the sea | Female | Gaelic |
| Meris | Of The Sea | Unisex | Latin |
| Merle | Contracted form of Meriel | Female | English |
| Merlin | Sea fort | Male | Welsh |
| Merrill | Bright as the sea | Male | Gaelic |
| Merv | Famous | Male | English |
| Mervin | Uncertain, possibly eminent marrow | Male | Welsh |
| Meryl | Bright as the sea | Unisex | Gaelic |
| Meta | Ambitious | Female | Latin |
| Metta | Pearl | Female | Scandinavian |
| Mia | Uncertain, maybe bitter | Female | Hebrew |
| Mindel | Bitter Sea | Female | Jewish |
| Minnie | Will, desire + helmet, protection | Female | Germanic |
| Miranda | She who must be admired | Female | Latin |
| Miriam | Uncertain, maybe bitter | Female | Hebrew |
| Misty | Misty | Female | English |
| Moana | The sea | Female | Pacific Islander |
| Moises | Drawn from the water | Male | Hebrew |
| Mollie | Uncertain, maybe bitter | Female | Hebrew |
| Molly | Uncertain, maybe bitter | Female | Hebrew |
| Morgan | Uncertain, perhaps bright sea | Female | Welsh |
| Morgana | Uncertain, perhaps bright sea | Female | Welsh |
| Morgance | Dweller Of The Sea | Female | English |
| Morgen | Sea-born | Female | Welsh |