| MŚCisŁAw | | - | Polish | |
| MaŁGorzata | | mahw-gaw-ZHAH-tah | Polish | |
| MaŁGosia | | - | Polish | |
| Maciej | | MAH-chay | Polish | |
| 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 | |
| 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 | |
| Maksym | | MAHK-sim (Polish) | Ukrainian, Polish | |
| Maksymilian | | mahk-si-MEEL-yahn | Polish | |
| Malina (2) | | mah-LEE-nah (Polish) | Bulgarian, Serbian, Polish | |
| Malwina | | mahl-VEE-nah | Polish | |
| Manfred | | MAHN-fret (German, Polish), MAHN-frət (Dutch) | German, Dutch, Polish | |
| 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 | |