| Name | Meaning | Gender | Origin |
|---|
| Leopold | after Leopoldo in the movie Blood and Roses | Male | |
| Leroy | The king.
| Male | |
| Lester | Fortified place.
| Male | English |
| Levi | United | Male | Hebrew |
| Lex | Protector Of Mankind | Male | English |
| Licker | | Unisex | Hebrew |
| Lickerish | | Unisex | Hebrew |
| Lincoln | Capital of Nebraska, USA. Old English: home by the pond | Male | English |
| Linus | flaxen-haired | Male | Greek |
| Linux | | Unisex | Hebrew |
| Lionel | Cousin of Lancelot
| Male | Latin |
| Lloyd | gray | Male | Welsh |
| Locke | after the philosopher John Locke | Male | English |
| Logan | little hollow | Male | Scottish |
| Loki | To Break | Male | Norse |
| London | fierce ruler of the world | Female | English |
| Lord Julius LOrange | | Unisex | Hebrew |
| Lorenzo | Form of Lawrence. Lorenzo de' Medici was a patron of Michaelangelo and Da Vinci.
| Male | Italian |
| Louie | renowned warrier | Male | English |
| Louis | famed warrior | Male | |
| Lucien | light | Male | |
| Lucky | Having good luck. | Male | Word |
| Lugosi | after 1940s Dracula actor Bela Lugosi | Unisex | |
| Luke | Light | Male | Greek |
| Lurky | | Unisex | Hebrew |