| Firstname | Gender | Origin | Meaning of name | Form | Pronunciation |
|---|---|---|---|---|---|
| Leith |  | Gaelic | A harbour in Scotland | Itself | (LEETH) |
| Lock | | English | A locksmith | Itself | (lock) |
| Locke | | English | A locksmith | Lock | (lock) |
| Louden | | English | Beacon hill | Lowden | (LOUD en) |
| Loudon | | English | Beacon hill | Lowden | (LOUD un) |
| Lowden | | English | Beacon hill | Itself | (LOUD en) |
| Lowdon | | English | Beacon hill | Lowden | (LOUD on) |
| Lafayette | | French | Beech tree | (lah FYE ett) | |
| Leaman | | English | Beloved man; sweetheard | Lemon | (LEE man) |
| Leamon | | English | Beloved man; sweetheard | Lemon | (LEE mon) |
| Firstname | Gender | Origin | Meaning | Form | Pronunciation |
|---|---|---|---|---|---|
| Leeman | | English | Beloved man; sweetheard | Lemon | (LEE man) |
| Lemon | | English | Beloved man; sweetheard | Lefman | (LEM un) |
| Len | | German | Brave lion | Leonard | (len) |
| Lennie | | German | Brave lion | Leonard | (LEN ee) |
| Leonerd | | German | Brave lion | Leonard | (LEN ard); (leh oh NARD) |
| Lear | | Germanic | Clearing | Itself | (leer) |
| Lye | | English | Clearing, meadow | (LYE) | |
| Lyman | | English | Clearing, meadow | Lee | (LYE man) |
| Levy | | Hebrew | Combined | (LEV ee) | |
| Lewy | | Hebrew | Combined | (LOO ee) |