| Lyubov | | lyoo-BOF (Russian) | Russian, Bulgarian, Ukrainian | |
| Lyudmil | | - | Bulgarian, Medieval Slavic | |
| Lyudmila | | lyood-MEE-lah (Russian) | Russian, Bulgarian, Medieval Slavic | |
| Magdalena | | mahg-dah-LE-nah (Polish), mahk-dah-LE-nah (German), MAHG-dah-le-nah (Finnish), mag-da-LAY-na (English) | Polish, German, Dutch, Swedish, Norwegian, Danish, Spanish, Occitan, Slovene, Czech, Bulgarian, Mace | |
| Magdalina | | - | Old Church Slavic, Bulgarian | |
| Malina (2) | | mah-LEE-nah (Polish) | Bulgarian, Serbian, Polish | |
| Margarita | | mahr-gah-REE-tah (Spanish, Russian) | Spanish, Russian, Bulgarian, Lithuanian, Late Roman | |
| Marin | | - | French, Romanian, Croatian, Serbian, Bulgarian, Macedonian | |
| Mariya | | mah-REE-yah (Russian) | Russian, Ukrainian, Bulgarian | |
| Marko | | MAHR-ko (Finnish) | Ukrainian, Croatian, Serbian, Slovene, Bulgarian, Macedonian, Finnish, Basque | |
| Marta | | MAHR-tah (Spanish, Italian, Polish, Czech) | Spanish, Italian, Portuguese, Catalan, Polish, Czech, Slovak, German, Dutch, Romanian, Slovene, Bulg | |
| Matey | | - | Bulgarian | |
| Mihail | | - | Romanian, Bulgarian, Macedonian, Greek | |
| Mikhail | | mee-khah-EEL (Russian) | Russian, Bulgarian | |
| Mila | | - | Russian, Ukrainian, Bulgarian, Czech, Serbian, Croatian, Macedonian | |