| Name | Meaning | Gender | Origin |
|---|
| Lore | Flower
| Female | |
| Loretta | Pure
| Female | English |
| Lotti | | Female | |
| Luciana | light | Female | Italian |
| Luisa | Spanish form of Louise famous in war
| Female | Italian |
| Luna Lovegood | Ravenclaw student.
| Female | |
| Lyubov | Love. Alternate Spellings: Lyuba or Luba.
| Female | |
| Maggie | Abbreviation of Margaret. A pearl.
| Female | English |
| Maiti | Strong battle maiden
| Female | |
| Malika | Angel
| Female | Arabic |
| Maxine | greatest | Female | Latin |
| Maya | Abbreviation of Amalia: variant of Maia.
| Female | Hebrew |
| Mei Mei | Means little sister in Chinese
| Female | |
| Melody | song | Female | Greek |
| Mia | Mine | Female | Scandinavian |
| Michiko | She was the first commoner to become Emperess of Japan.
| Female | Japanese |
| Milagrosa | Miracle
| Female | |
| Milan | Union, Combine, Joining
| Female | Place-name |
| Minerva Mcgonagall | Deputy Headmistress of Hogwarts.
| Female | |
| Minnie | Form of Williamina
| Female | English |
| Mirari | Miracle
| Female | |
| Mireya | Miracle
| Female | Spanish |
| Mist | | Unisex | |
| Misty | misty.
| Female | English |
| Misty | misty.
| Female | English |