| Name | Meaning | Gender | Origin | 
|---|
| Lauren | Man from Laurentum | Female | Latin | 
| Liam | Will, desire and helmet, protection | Male | Germanic | 
| Lilianna | Lilies | Female | Latin | 
| Lillian | My God is a vow | Female | Hebrew | 
| Lily | Lily | Female | English | 
| Lindsay | Uncertain, perhaps dark lake | Female | Gaelic | 
| Liv | My God is a vow | Female | Hebrew | 
| Lord | A male title of nobility. | Unisex | English | 
| Lori | Of Lothair | Female | French | 
| Louisa | Fame and war | Female | Germanic | 
| Lucy | Light | Female | Latin | 
| Luna | Moon | Female | Latin | 
| Madeline | From Magdala | Female | Hebrew | 
| Madelyn | From Magdala | Female | Hebrew | 
| Mallory | Luckless | Female | French | 
| Marcia | From the god Mars | Female | Latin | 
| Marcus | From the god Mars | Male | Latin | 
| Margaret | Pearl | Female | Greek | 
| Marie | Bitter | Female | Hebrew | 
| Martina | From the god Mars | Female | Latin | 
| Mary | Bitter | Female | Hebrew | 
| Megan | Pearl | Female | Greek | 
| Melody | Melody | Female | Greek | 
| Meredith | Great lord | Female | Welsh | 
| Mia | Uncertain, maybe bitter | Female | Hebrew | 
| Molli | From The Gaelic Maili Which Is A Pet Form Of Mary Bitter. | Unisex | English | 
| Molly | Uncertain, maybe bitter | Female | Hebrew | 
| Monique | Uncertain, perhaps counsellor | Female | Latin | 
| Naomi | Beautiful, pleasant, delightful | Female | Hebrew | 
| Natalie | Christ's birthday | Female | Italian |