| Name | Meaning | Gender | Origin |
|---|
| Leonardo | Strong as the lion | Male | Germanic |
| Leonidas | Lion-like | Male | Greek |
| Leopold | Bold people | Male | Germanic |
| Les | Holly Garden | Male | Gaelic |
| Levi | Combined | Male | Hebrew |
| Li | Unisexual Name Meaning "Strength; Beautiful" | Male | English |
| Liam | Will, desire and helmet, protection | Male | Germanic |
| Lincoln | Lake settlement, lake colony | Male | English |
| Llewellyn | Luminescent | Male | Welsh |
| Loc | Fortune | Male | Vietnamese |
| Locke | A locksmith | Female | English |
| Logan | Hollow | Unisex | Gaelic |
| Long | Dragon | Male | Vietnamese |
| Lord | A male title of nobility. | Unisex | English |
| Lotta | Free man | Female | German |
| Lou | Fame and war | Male | Germanic |
| Louis | Fame and war | Male | Germanic |
| Love | Love | Female | English |
| Lowell | Wolf | Male | English |
| Lucas | Man from Lucania | Male | Greek |
| Luke | Man from Lucania | Male | Greek |
| Maddox | Good | Unisex | Welsh |
| Madison | Son of Maud | Unisex | English |
| Magan | Absorbed | Female | Indian |
| Magna | Thinking | Female | Indian |
| Magnar | Warrior | Male | Norwegian |
| Magnus | Great | Male | Latin |
| Mahalia | Fat fatlings | Female | Aramaic |
| Mahogany | American evergreen tree valued for its hard, red-brown wood | Female | English |
| Mako | Child of truth | Unisex | Japanese |