| Machteld | | - | Dutch | |
| Madelief | | - | Dutch | |
| Madelon | | - | Dutch | |
| Magda | | MAHK-dah (German), MAHKH-dah (Dutch), MAHG-dah (Polish) | German, Dutch, Swedish, Norwegian, Danish, Czech, Polish, Croatian, Romanian, Portuguese | |
| 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 | |
| Maikel | | - | Dutch | |
| Manfred | | MAHN-fret (German, Polish), MAHN-frət (Dutch) | German, Dutch, Polish | |
| Mannes | | - | Dutch | |
| Manon | | ma-NAWN (French) | French, Dutch | |
| Marcel | | mar-SEL (French), MAHR-tsel (Polish), MAHR-sel (Dutch, German) | French, Catalan, Romanian, Polish, Czech, Slovak, Dutch, German | |
| Marcellus | | - | Ancient Roman, German, Dutch | |
| Marco | | MAHR-ko (Italian, Spanish, Dutch) | Italian, Spanish, Portuguese, German, Dutch | |
| Margareta | | mahr-gah-RE-tah (German), MAHR-gah-re-tah (Finnish) | German, Swedish, Norwegian, Danish, Romanian, Slovene, Dutch, Finnish, Croatian | |
| Margaretha | | mahr-gah-RE-tah (German) | Dutch, German | |
| Margreet | | mahr-KHRAYT (Dutch) | Limburgish, Dutch | |