| LÚCia | | - | Portuguese | |
| LÚCio | | - | Portuguese | |
| Lara (1) | | LAHR-ə (English), LAH-rah (German, Italian, Spanish, Portuguese) | Russian, English, German, French, Italian, Spanish, Portuguese, Dutch, Hungarian, Slovene, Croatian | |
| Larissa | | lə-RIS-ə (English) | English, Portuguese (Brazilian), Greek Mythology (Latinized) | |
| Laura | | LAWR-ə (English), LOW-rah (Spanish, Italian, Finnish, Polish, Swedish, Norwegian, Danish, German, Dutch), LAW-oo-raw (Hungarian) | English, Spanish, Italian, Portuguese, Romanian, Finnish, Estonian, Hungarian, Polish, Slovene, Croa | |
| Leandra | | le-AHN-drah (Spanish) | Portuguese, Spanish, Italian | |
| Leandro | | le-AHN-dro (Spanish) | Spanish, Portuguese, Italian | |
| Lena | | LE-nah (German, Polish, Italian), LYE-nah (Russian), LEE-nə (English) | Swedish, Norwegian, Danish, German, Polish, Russian, English, Italian, Portuguese | |
| LeocÁDia | | - | Portuguese | |
| Leonardo | | le-o-NAHR-do (Italian, Spanish), lee-ə-NAHR-do (English) | Italian, Spanish, Portuguese, History | |
| Leonor | | - | Spanish, Portuguese | |
| Leopoldo | | le-o-POL-do (Spanish) | Italian, Spanish, Portuguese | |
| LetÍCia | | le-TEE-zyə (Portuguese), le-CHEE-zyə (Brazilian Portuguese) | Portuguese | |
| Lia (1) | | LEE-ah (Italian), LEE-ə (Portuguese, Georgian) | Italian, Portuguese, Georgian, Biblical Latin | |
| Liana | | - | Italian, Portuguese, Romanian, English | |