| Name | Meaning | Gender | Origin |
|---|
| Liam | Will, desire and helmet, protection | Male | Germanic |
| Lincoln | Lake settlement, lake colony | Male | English |
| Lobo | Wolf | Male | Spanish |
| Lois | Battle Maiden | Female | Greek |
| Lola | Sorrows | Female | Spanish |
| Lucas | Man from Lucania | Male | Greek |
| Lucy | Light | Female | Latin |
| Luna | Moon | Female | Latin |
| Luther | People army | Male | Germanic |
| Lydia | Noble kind | Female | Germanic |
| Maggie | Pearl | Female | Greek |
| Magnum | A large type of wine bottle. | Unisex | English |
| Magnus | Great | Male | Latin |
| Manley | Common clearing | Male | English |
| Mara | Bitter | Female | Hebrew |
| Marco | From the god Mars | Male | Latin |
| Marge | Pearl | Female | Greek |
| Maria | Bitter | Female | Hebrew |
| Max | Little Maximus | Male | Latin |
| Maxi | Pet form of names starting with Max | Unisex | English |
| Maya | Uncertain, perhaps mother or great one | Female | Greek |
| Mel | Uncertain, possibly bad town | Unisex | English |
| Mercy | Compassion | Female | English |
| Mia | Uncertain, maybe bitter | Female | Hebrew |
| Mickey | Who is like God? | Unisex | Hebrew |
| Millie | Labour | Female | Germanic |
| Missy | Bee | Female | Greek |
| Misty | Misty | Female | English |
| Molly | Uncertain, maybe bitter | Female | Hebrew |
| Moose | Largest member of the deer family. Moose have heavy brown bodies with humped shoulders and broad antlers. | Unisex | English |