| Name | Meaning | Gender | Origin |
|---|
| Lili | Consecrated To God | Unisex | German |
| Lilli | Lily | Unisex | English |
| Lily | Lily
| Female | English |
| Lincoln | Capital of Nebraska, USA. Old English: home by the pond | Male | English |
| Link | English, town by the pool | Male | Word |
| Linus | flaxen-haired | Male | Greek |
| Lizzie | From Elizabeth - Consecrated to God | Female | English |
| Lola | strong woman | Female | Spanish |
| Lorenzo | Form of Lawrence. Lorenzo de' Medici was a patron of Michaelangelo and Da Vinci.
| Male | Italian |
| Lorraine | From Lorraine
| Female | |
| Louis | famed warrior | Male | |
| Louise | Renowned fighter. Feminine of Louis.
| Female | |
| Lucas | Form of Luke light: illumination.
| Male | Latin |
| Luce | Of Lucania | Unisex | French |
| Luciana | light | Female | Italian |
| Lucille | light | Female | |
| Lucio | Spanish form of Luke light
| Male | |
| Lucius | Light | Male | Roman |
| Lucy | light: illumination.
| Female | English |
| Luisa | Spanish form of Louise famous in war
| Female | Italian |
| Luke | Light | Male | Greek |
| Mabel | my fair maid; lovely | Female | English |
| Macbeth | Son of Beth
| Male | |
| Mack | Son of
| Male | Scottish |
| Magenta | A vivid purplish red colour | Female | Color |