| Name | Meaning | Gender | Origin |
|---|
| Loki | To Break | Male | Norse |
| Lola | strong woman | Female | Spanish |
| Lorenzo | Form of Lawrence. Lorenzo de' Medici was a patron of Michaelangelo and Da Vinci.
| Male | Italian |
| Lotti | | Female | |
| Lottie | free man | Female | English |
| Lotus | freamlike, lotus flower | Female | Greek |
| Lucinda | light | Female | English |
| Lucky | Having good luck. | Male | Word |
| Lucy | light: illumination.
| Female | English |
| Luke | Light | Male | Greek |
| Lulu | Pet form of the names Louise or Louella.
| Female | English |
| Luna | moon | Female | Latin |
| Lynx | | Male | |
| Mabel | my fair maid; lovely | Female | English |
| Macavity | | Unisex | |
| Machiavelli | | Unisex | |
| Macie | Weapon | Unisex | French |
| Mackie | | Unisex | Hebrew |
| Maddie | Of Magdala | Female | English |
| Maddie Mae | | Unisex | |
| Madeline | woman from Magdala, one who is elevated, a high tower | Female | English |
| Maggie | Abbreviation of Margaret. A pearl.
| Female | English |
| Magic | Possessing qualities that produce baffling effects | Male | Word |
| Magic | Possessing qualities that produce baffling effects | Male | Word |
| Magnolia | Flower
| Female | Latin |