| Name | Group | Language of Origin | Languages of Use | Meaning/Translation or Related Words | US 2021 |
| Maarten | Martin/Martina | Latin | German, Low German, Dutch | Words: Mars | |
| Mac | Mack | Scottish | English | Words: son | #673 |
| Macaire | Macario | Old Greek | French | | |
| Macario | Macario | Old Greek | Portuguese, Spanish, Italian | | |
| Maciej | Matthias/Mattea | Hebrew | Polish | gift of Yahweh | |
| Maciek | Matthias/Mattea | Hebrew | Polish | gift of Yahweh | |
| Mack | Mack | Scottish | English | Words: son | #470 |
| Mackenzie | Mackenzie/Mackenzie | Scottish | English, Scottish | son of Coinneach | |
| Mad | Muhammad | Arabic | Malay | the praiseworthy | |
| Madden | Madden | Old Irish | English | little dog | #823 |
| Maddox | Maddox | Welsh | English | son of Madoc | #174 |
| Maddux | Maddox | Welsh | English | son of Madoc | |
| Maddy | Madison/Madison | English | French | son of Maud | |
| Madhav | Madhav | Sanskrit | Indian | vernal, of spring | |
| Madison | Madison/Madison | English | English | son of Maud | |
| Madoc | Madoc | Welsh | Welsh | maybe fortunate | |
| Mads | Matthias/Mattea | Hebrew | Scandinavian | gift of Yahweh | |
| Maé | Mahé | Unknown | French | | |
| Mael | Mael/Maelle | Old Irish | French, Breton | prince | |
| Maël | Mael/Maelle | Old Irish | French, Breton | prince | |
| Maghnus | Magnus/Magna | Latin | Irish | Words: great, large | |
| Magne | Magnus/Magna | Latin | Scandinavian | Words: great, large | |
| Magnum | Magnus/Magna | Latin | English | Words: great, large | |
| Magnus | Magnus/Magna | Latin | German, Scandinavian, English | Words: great, large | #728 |
| Magnús | Magnus/Magna | Latin | Icelandic | Words: great, large | |
| Magtanggol | Magtanggol | Tagalog | Tagalog | to defend | |
| Mahamadou | Mahamadou | Unknown | Arabic | | |
| Mahammad | Muhammad | Arabic | Azerbaijani | the praiseworthy | |
| Mahdi | Mehdi | Arabic | Arabic | the guided one | |
| Mahé | Mahé | Unknown | French | | |
| Mahmud | Mahmud | Arabic | Turkish | | |
| Mahmut | Mahmud | Arabic | Turkish | | |
| Maicon | Michael/Michaela | Hebrew | Portuguese | Who is like God? | |
| Maik | Michael/Michaela | Hebrew | German | Who is like God? | |
| Mailo | Mailo | Unknown | German | | |
| Máirtín | Martin/Martina | Latin | Irish | Words: Mars | |
| Maison | Mason | Old French | English | mason, stoneworker | |
| Maj | Maj | Slovenian | Slovenian | May | |
| Major | Major | Old High German | English | Words: council / spear | #412 |
| Mak | Mak | Serbo-Croatian | Serbo-Croatian | poppy | |
| Makai | Michael/Michaela | Hebrew | English | Who is like God? | #545 |
| Makar | Macario | Old Greek | Russian | | |
| Makari | Macario | Old Greek | Russian | | |
| Makhi | Mekhi | Unknown | English | | |
| Makisig | Makisig | Tagalog | Tagalog | handsome, elegant | |
| Makoto | Makoto | Japanese | Kanji symbol, Japanese | sincerity, truth | |
| Makoto | Makoto | Japanese | Kanji symbol, Japanese | sincerity, truth | |
| Maks | Maxim/Maxima | Latin | Russian | the greatest | |
| Maksim | Maxim/Maxima | Latin | Russian | the greatest | |
| Maksims | Maxim/Maxima | Latin | Latvian | the greatest | |
| Maksymilian | Maximilian/Maximiliane | Latin | Polish | Words: very great, greatest | |
| Malachi | Malachi | Hebrew | English, Hebrew | messenger | #167 |
| Malakai | Malachi | Hebrew | English | messenger | #256 |
| Malakhi | Malachi | Hebrew | English | messenger | |
| Malaki | Malachi | Hebrew | English | messenger | |
| Malcolm | Malcolm | Old Irish | English, Scottish | disciple of Saint Columba | #282 |
| Malcom | Malcolm | Old Irish | English | disciple of Saint Columba | |
| Male | Baby/Baby | English | English | | |
| Maleachi | Malachi | Hebrew | German | messenger | |
| Malek | Malik/Malika | Arabic | Arabic | king | |
| Maleo | Maleo | Unknown | German | | |
| Malhar | Malhar | Unknown | Indian | | |
| Maligiaq | Maligiaq | Greenlandic | Greenlandic | wave | |
| Malik | Malik/Malika | Arabic | Arabic | king | #393 |
| Malo | Malo | Breton | French, Breton | Words: hostage, pledge / light | |
| Malone | Malone | Unknown | French | | |
| Malte | Malte | Old High German | German, Low German, Scandinavian | Words: helmet, protection / rule | |
| Malthe | Malte | Old High German | Scandinavian | Words: helmet, protection / rule | |
| Malvin | Melville | Old French | English | bad village | |
| Mamadou | Mamadou | Unknown | Arabic | | |
| Mamat | Muhammad | Arabic | Malay | the praiseworthy | |
| Manaaki | Manaaki | Maori | Maori | care, support | |
| Manabu | Manabu | Japanese | Kanji symbol, Japanese | maybe studious | |
| Manaia | Manaia | Maori | English | | |
| Manegold | Manegold | Old High German | German | Words: man / gold | |
| Manel | Manuel/Manuela | Hebrew | Portuguese | God is with us | |
| Manfred | Manfred | Old High German | German, English | Words: man / peace, protection, safety | |
| Manfredi | Manfred | Old High German | Italian | Words: man / peace, protection, safety | |
| Manfredo | Manfred | Old High German | Italian | Words: man / peace, protection, safety | |
| Mangold | Manegold | Old High German | German | Words: man / gold | |
| Máni | Máni | Old Norse | Icelandic | moon | |
| Manlio | Manlio | Latin | Italian | | |
| Mano | Manuel/Manuela | Hebrew | Spanish | God is with us | |
| Manoel | Manuel/Manuela | Hebrew | Portuguese | God is with us | |
| Manolo | Manuel/Manuela | Hebrew | Italian | God is with us | |
| Måns | Magnus/Magna | Latin | Scandinavian | Words: great, large | |
| Mantas | Mantas | Unknown | Lithuanian | maybe intelligent | |
| Manu | Manu | Sanskrit | Hindi | man | |
| Manuel | Manuel/Manuela | Hebrew | German, Portuguese, Spanish | God is with us | #320 |
| Manuele | Manuel/Manuela | Hebrew | Italian | God is with us | |
| Marc | Mark/Marcella | Latin | German, French | dedicated to Mars (the Roman god of war) | |
| Marc-Antoine | Marc-Antoine | French | French | | |
| Marcas | Mark/Marcella | Latin | Irish | dedicated to Mars (the Roman god of war) | |
| Marceau | Marcel | Latin | French | Words: dedicated to Mars | |
| Marcel | Marcel | Latin | German, French | Words: dedicated to Mars | #682 |
| Marcell | Marcel | Latin | German, French, Hungarian | Words: dedicated to Mars | |
| Marcellin | Marcellinus/Marcellina | Latin | French | | |
| Marcellino | Marcellinus/Marcellina | Latin | Italian | | |
| Marcellinus | Marcellinus/Marcellina | Latin | German | | |
| Marcello | Marcel | Latin | Italian | Words: dedicated to Mars | |