| Martijn | | - | Dutch | |
| Martina | | mahr-TEE-nah (Italian, Spanish, Dutch), mahr-TEEN-ə (English) | German, Italian, Spanish, Catalan, Czech, Slovak, Croatian, Slovene, English, Swedish, Dutch, Ancien | |
| Martine | | mar-TEEN (French), mahr-TEE-nə (Dutch) | French, Dutch, Norwegian | |
| Martinus | | - | Ancient Roman, Dutch | |
| Mathilde | | ma-TEELD (French), mah:-TIL-də (Dutch) | French, German, Dutch, Norwegian, Danish | |
| Matthias | | mah-TEE-ahs (German), mə-THIE-əs (English) | Greek, German, Swedish, Norwegian, Danish, French, Dutch, Biblical, Biblical Latin, Biblical Greek | |
| Matthijs | | - | Dutch | |
| Maud | | MAWD (English) | English, Dutch | |
| Maurits | | MOW-rits | Dutch | |
| Max | | MAHKS (German), MAKS (English) | German, English, Swedish, Norwegian, Danish, Dutch | |
| Maximiliaan | | - | Dutch | |
| Mechteld | | MEKH-təlt | Dutch | |
| Mees | | MAY:S | Dutch | |
| Meike | | MIE-kə | German, Dutch | |
| Meindert | | - | Dutch | |