| Liborio | | - | Italian | |
| Lidia | | LEED-yah (Polish), LEE-dyah (Italian), LEE-dhyah (Spanish) | Polish, Italian, Spanish, Romanian | |
| Liliana | | lee-LYAH-nah (Italian, Polish), lil-ee-AN-ə (English) | Italian, Spanish, Portuguese, Romanian, Polish, English | |
| Lina (2) | | - | English, Italian, Swedish, Danish, Norwegian, Lithuanian, Croatian | |
| Linda | | LIN-də (English), LIN-dah (German), LEEN-dah (Italian, Finnish) | English, Dutch, German, Italian, Swedish, Norwegian, Danish, Icelandic, French, Latvian, Finnish, Hu | |
| Lino | | LEE-no (Italian, Spanish), LEE-naw (Galician) | Italian, Spanish, Portuguese, Galician | |
| Lisa | | LEE-sə (English), LEE-zah (German), LEE-sah (Dutch) | English, German, Dutch, Swedish, Norwegian, Danish, Italian | |
| Livia (1) | | LEE-vyah (Italian) | Italian, Romanian, Ancient Roman | |
| Liviana | | lee-VYAH-nah (Italian) | Italian, Ancient Roman | |
| Livio | | LEE-vyo | Italian | |
| Lodovico | | - | Italian | |
| Lora | | LAWR-a (English) | English, Italian | |
| Loredana | | - | Italian, Romanian | |
| Lorena (1) | | - | Spanish, Portuguese, Italian, Croatian | |
| Lorenza | | - | Italian, Spanish | |