| Lena | | LE-nah (German, Polish, Italian), LYE-nah (Russian), LEE-nə (English) | Swedish, Norwegian, Danish, German, Polish, Russian, English, Italian, Portuguese | |
| Leonarda | | - | Italian | |
| Leonardo | | le-o-NAHR-do (Italian, Spanish), lee-ə-NAHR-do (English) | Italian, Spanish, Portuguese, History | |
| Leone (1) | | - | Italian | |
| Leonida | | - | Italian | |
| Leonora | | - | Italian | |
| Leontina | | - | Italian, Late Roman | |
| Leonzio | | - | Italian | |
| Leopoldo | | le-o-POL-do (Spanish) | Italian, Spanish, Portuguese | |
| Letizia | | le-TEE-tsyah | Italian | |
| Lia (1) | | LEE-ah (Italian), LEE-ə (Portuguese, Georgian) | Italian, Portuguese, Georgian, Biblical Latin | |
| Lia (2) | | LEE-ah (Italian) | Italian, Dutch | |
| Liana | | - | Italian, Portuguese, Romanian, English | |
| Liberatore | | - | Italian | |
| Liboria | | - | Italian | |