| Name | Meaning | Gender | Origin |
|---|
| Jesse | wealthy | Male | Hebrew |
| Kai | Fire
| Male | Hawaiian |
| Kylie | Boomerang. Feminine form of Kyle.
| Female | Aboriginal |
| Lance | knight's attendant; land | Male | English |
| Lancelot | Knight of Arthur and lover of Guinevere
| Male | |
| Launcelot | Knight of Arthur and lover of Guinevere
| Male | |
| Lennon | small cloak or cape | Male | Irish |
| Lewis | Renowned fighter. Form of Louis.
| Male | English |
| Liam | Form of William.
| Male | Irish |
| Lightning | | Unisex | Hebrew |
| Maggie | Abbreviation of Margaret. A pearl.
| Female | English |
| Magnum | A large type of wine bottle. | Unisex | |
| Major | Army or Air Force rank above Captain but below Lieutenant Colonel | Male | Latin |
| Mao | Egyptian for Cat | Male | |
| Marlin | Bitter, Beautiful Jade | Female | English |
| Mason | Worker in stone. | Male | English |
| Mauser | | Unisex | |
| Max | Large spring | Male | English |
| Max | Large spring | Male | English |
| Mimmi | | Unisex | Hebrew |
| Mina | Precious Stone | Female | Hindi |
| Mine | a resolute protector | Unisex | |
| Minnie | Form of Williamina
| Female | English |
| Nitro | Short for Nitroglycerin a highly explosive liquid. | Male | |
| Nora | Abbreviation of Eleanora light and Honora honor.
| Female | Irish |