| Ljubomir | | - | Croatian, Serbian, Macedonian | |
| Lorena (1) | | - | Spanish, Portuguese, Italian, Croatian | |
| Lovre | | - | Croatian | |
| Lovrenco | | - | Croatian (Rare) | |
| Lovro | | - | Slovene, Croatian | |
| Luca (2) | | LOO-tsah (Croatian) | Hungarian, Croatian | |
| Lucija | | - | Slovene, Croatian | |
| Lucijan | | - | Croatian | |
| Luka | | - | Russian, Serbian, Croatian, Slovene, Macedonian, Georgian, Old Church Slavic | |
| MaŠA | | - | Slovene, Croatian | |
| Magda | | MAHK-dah (German), MAHKH-dah (Dutch), MAHG-dah (Polish) | German, Dutch, Swedish, Norwegian, Danish, Czech, Polish, Croatian, Romanian, Portuguese | |
| Maja (1) | | MIE-ah (German, Polish) | Croatian, Serbian, Slovene, German, Danish, Swedish, Norwegian, Polish | |
| Maja (2) | | MIE-ah (German, Polish) | Croatian, Serbian, Macedonian, Slovene, German, Danish, Swedish, Norwegian, Polish, Czech, Slovak | |
| Majda | | - | Slovene, Croatian | |
| Manda | | - | Croatian, Serbian | |