| Lucian | | LOO-shən (English) | Romanian, English | |
| Luiza | | luw-EE-zah (Polish) | Polish, Portuguese, Romanian | |
| LuminiȚA | | loo-mee-NEE-tsah | Romanian | |
| MĂDĂLina | | - | Romanian | |
| Magda | | MAHK-dah (German), MAHKH-dah (Dutch), MAHG-dah (Polish) | German, Dutch, Swedish, Norwegian, Danish, Czech, Polish, Croatian, Romanian, Portuguese | |
| Manuel | | mah-NWEL (Spanish), man-oo-EL (Portuguese), MAHN-oo-el (German) | Spanish, Portuguese, German, English, Italian, French, Romanian, Late Greek (Latinized) | |
| Manuela | | mah-noo-E-lah (German), mah-NWE-lah (Italian) | Spanish, Portuguese, Romanian, German, Italian | |
| Marcel | | mar-SEL (French), MAHR-tsel (Polish), MAHR-sel (Dutch, German) | French, Catalan, Romanian, Polish, Czech, Slovak, Dutch, German | |
| Marcela | | mahr-THE-lah (Spanish), mahr-SE-lah (Latin American Spanish), mahr-TSE-lah (Polish), mahr-CHE-lah (Romanian), MAHR-tse-lah (Czech) | Spanish, Polish, Romanian, Czech | |
| Margareta | | mahr-gah-RE-tah (German), MAHR-gah-re-tah (Finnish) | German, Swedish, Norwegian, Danish, Romanian, Slovene, Dutch, Finnish, Croatian | |
| Marian (2) | | MAHR-yahn (Polish) | Polish, Czech, Romanian | |
| Mariana | | mə-RYA-nə (Portuguese), mah-RYAH-nah (Spanish) | Portuguese, Spanish, Romanian, Czech, Ancient Roman | |
| Marilena | | mah-ree-LE-nah (Italian) | Italian, Romanian | |
| Marin | | - | French, Romanian, Croatian, Serbian, Bulgarian, Macedonian | |
| Marius | | MER-ee-əs (English), MAR-ee-əs (English), MAH-ree-uws (German) | Ancient Roman, Romanian, German, Dutch, Norwegian, Danish, French | |