| Lanney | One who takes the narrow path |
| Lanrick | From the land of the ruler |
| Laqanat | A source of hidden wisdom. |
| Larch | Derived from the tree name |
| Laredo | From the city in Spain |
| Larken | From the place name in England |
| Lasitha | A person who is very cheerful. |
| Lathel | From the place name in England |
| Lathen | Derived from Old English, possibly meaning 'battle' or 'warrior' |
| Laurelino | A young laurel champion. |
| Laveen | A name meaning pure and innocent. |
| Laver | Derived from Hebrew, meaning 'to wash' or 'purify' |
| Lavonte | Derived from French, meaning 'lavender' or 'calm' |
| Lavoy | Derived from French, meaning 'lavender' or 'calm' |
| Lavrenti | Man from Laurentum, laurel |
| Lavrentios | Man from Laurentum, laurel |
| Lawdon | Derived from Old English, meaning 'law' or 'justice' |
| Lawren | Derived from Latin, meaning 'laurel tree' or 'honor' |
| Lawyer | Person who deals with law |
| Laydon | Derived from Old English, meaning 'laurel tree' or 'honor' |
| Layten | From the town by the river. |
| Lazab | Derived from Hebrew, meaning 'God will add' or 'increase' |
| Leamon | Derived from Old English, meaning 'elm tree' or 'strong' |
| Ledger | Derived from Old English, meaning 'book' or 'record' |
| Lefwyne | A friend to all creatures. |
| Lehri | Derived from Sanskrit, meaning 'mountain' or 'hill' |
| Leiandros | Lion man or brave as a lion |
| Leiden | Derived from Dutch, meaning 'to suffer' or 'endure' |
| Leizer | A Yiddish name meaning God is my help. |
| Lekanksh | A name meaning one who has a desire. |
| Lemony | Derived from Old English, meaning 'lemon' or 'citrus' |
| Leofhere | A beloved army commander. |
| Leolani | A heavenly or royal flower. |
| Leonek | Brave as a lion |
| Leonell | A small and mighty lion cub. |
| Leonzal | Derived from Spanish, meaning 'lion' or 'brave' |
| Leoton | Derived from Greek, meaning 'lion' or 'brave' |
| Leri | A name meaning light or brightness. |
| Lerroy | A name meaning the kingly one. |
| Lestat | Derived from French, meaning 'last' or 'remaining' |