| Lucia | | loo-CHEE-ah (Italian), LOO-tsee-ah (German), LOO-shə (English), loo-SEE-ə (English) | Italian, German, English, Swedish, Norwegian, Danish, Romanian, Slovak, Ancient Roman | |
| Ludvig | | - | Swedish, Norwegian, Danish | |
| Lukas | | LOO-kahs (German) | German, Swedish, Norwegian, Danish, Lithuanian | |
| 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 | |
| Magne | | - | Norwegian | |
| Magnhild | | - | Norwegian | |
| Magnus | | MAHNG-nus (Swedish), MAG-nəs (English) | Swedish, Norwegian, Danish, Late Roman | |
| Maiken | | - | Danish, Norwegian | |
| 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 | |
| Malene | | - | Danish, Norwegian | |
| Malin | | MAH-lin (Swedish, Norwegian), MAH-leen (Finnish) | Swedish, Norwegian, Finnish | |
| Marcus | | MAR-kuws (Ancient Roman, Biblical Latin), MAHR-kəs (English) | Ancient Roman, Biblical Latin, English, Swedish, Norwegian, Danish | |
| Maren | | MAH-ren (Danish) | Danish, Norwegian | |