| Mervin | | MUR-vin (English) | Welsh, English | |
| Mervyn | | MUR-vin (English) | Welsh, English | |
| Meryl | | MERL, MER-əl | English | |
| Methodios | | - | Ancient Greek | |
| Methodius | | mə-THO-dee-əs (English) | Ancient Greek (Latinized) | |
| Metod | | - | Slovene, Slovak | |
| Metrodora | | - | Ancient Greek | |
| Metrophanes | | - | Ancient Greek | |
| Mia | | MEE-ah (Swedish, Norwegian, Danish, Dutch, German), MEE-ə (English) | Swedish, Norwegian, Danish, Dutch, German, English | |
| Mica | | - | English | |
| Micah | | MIE-kə (English) | Biblical, English | |
| MichÈLe | | mee-SHEL | French | |
| MichaËL | | - | Dutch, French | |
| Michael | | MIE-kəl (English), MI-khah-el (German), MEE-kah-el (Swedish, Norwegian, Danish) | English, German, Swedish, Norwegian, Danish, Dutch, Czech, Biblical, Biblical Latin, Biblical Greek | |
| Michaela | | mi-khah-E-lah (German), mi-KAY-lə (English) | German, Swedish, English, Czech, Slovak | |