| M’hamed | Maahin | Maaik |
| Maano | Maaren | Maarte |
| Maarten | Maarten-Jacob | Maas |
| Maat | Maazin | Mac |
| Macarius | Mace | Mace-Ruben |
| Maceo | Machiel | Macian |
| Maciej | Maciek | Macizj |
| Mack | Madatia | Maddox |
| Maddy | Madin | Madinn |
| Madjer | Madjou | Mads |
| Madse | Madu | Mady |
| Madz | Madzen | Maé |
| Maerten | Maes | Maese |
| Maeson | Maeson-Rahmell | Magiel |
| Magnus | Mahad | Mahamoud |
| Mahdi | Mahdie | Mahemya |
| Maher | Mahesh | Mahfud |
| Mahin | Mahir | Mahmoud |
| Mahmud | Mahmut | Mahommed |
| Mahone | Mai | Maica |
| Maickel | Maico | Maik |
| Maikel | Maikel-Ben | Maikey |
| Maikie | Maiko | Maiky |
| Mailo | Maino | Mairo |
| Maiwand | Majoie | Makador |
| Makar | Mako | Makram |
| Maks | Maksim | Maksimilian |
| Maksymilian | Malak | Malakai |
| Malcolm | Malcolm-Jamal | Malcom |
| Maleachi | Malek | Malick |
| Malijah | Malik | Mâlik |
| Malo | Malte | Malwin |
| Malyk | Mamadou | Mamady |
| Mamand | Mamedriza | Man |
| Man-Chun | Manasse | Manasseh |
| Manaubese | Manav | Mando |
| Mandu | Mandy | Manel |
| Manell | Manfred | Mani |
| Manik | Manitou | Mannie |
| Mannis | Mannus | Manny |
| Mano | Manoa | Manoach |
| Manoah | Manody | Manoël |
| Manolis | Manolito | Manos |
| Mans | Mansoor | Mansour |
| Manssour | Mansur | Mantas |
| Mante | Manu | Manú |
| Mánu | Manuel | Manuël |
| Manuel-Diaz | Manuk | Manveer |
| Manü | Maor | Maqil |
| Maràn | Maraun | Marbert |
| Marc | Marcel | Marcelino |
| Marcelis | Marcellino | Marcello |
| Marcellus | Marchano | Marchello |
| Marchiano | Marcianno | Marciano |
| Marcio | Márcio | Marck |
| Marck-Diederick | Marco | Marcos |
| Marcus | Mardenius | Mardin |
| Marein | Marek | Mareno |
| Marginus | Marhein | Mari |
| Marian | Mariano | Maricio |
| Marick | Marie | Marien |
| Marijn | Marik | Marin |
| Marino | Marinos | Marinus |
| Mario | Maris | Mariss |
| Marius | Marizio | Mark |
| Márk | Mark-Martijn | Markell |
| Marko | Markos | Markus |
| Marlando | Marley | Marlin |
| Marlo | Marlon | Marlow |
| Marly | Marne | Marnex |
| Marnick | Marniek | Marnik |
| Marnix | Marno | Maro |
| Maroen | Maron | Marouan |
| Marouane | Maroun | Marques |
| Marril | Marriljhano | Mars |
| Marsel | Marshall | Marsheliano |
| Marson | Marsyano | Mart |
| Martain | Marten | Marth |
| Marthijn | Marthijs | Marti |
| Martial | Martien | Martijn |
| Martín | Martin | Martino |
| Martinus | Marton | Martti |
| Martzen | Maruti | Marvano |
| Marvel | Marvellous | Marvelous |
| Marverik | Marveynio | Marvin |
| Marvino | Marvon | Marwan |
| Marwane | Marwin | Maryn |
| Marzculaysel | Marziön | Mas |
| Masaï | Masato | Mascud |
| Mase | Masi | Masie |
| Masih | Masin | Mason |
| Mass | Massimiliano | Massimo |
| Massin | Massine | Massoud |
| Massud | Master | Mat |
| Matai | Matan | Matas |
| Matay | Matea | Matei |
| Matej | Mateja | Mateo |
| Mateusz | Math | Mathé |
| Matheis | Matheo | Matheus |
| Mathew | Mathi | Mathias |
| Mathías | Mathies | Mathieu |
| Mathijn | Mathijs | Mathis |
| Mathiz | Matho | Maths |
| Mathyn | Matías | Matias |
| Matien | Maties | Matija |
| Matijn | Matijs | Matîn |
| Matin | Matisse | Matiz |
| Matrix | Mats | Matselino |
| Matsko | Matt | Mattan |
| Mattanja | Matteo | Mattéo |
| Matteüs | Matthan | Mattheis |
| Mattheo | Mattheus | Matthéus |
| Matthew | Mattheüs | Matthias |
| Matthies | Matthieu | Matthieuw |
| Matthijn | Matthijs | Matthijs-Hajo |
| Matthys | Matti | Mattia |
| Mattiah | Mattias | Matties |
| Mattieu | Mattijn | Mattijs |
| Mattis | Mattiz | Matts |
| Mattyn | Matvey | Matwey |
| Matyas | Mátyás | Matz |
| Mauck | Maui | Mauk |
| Maup | Mauri | Maurice |
| Mauricio | Maurick | Maurijn |
| Maurin | Maurinho | Maurit |
| Mauritius | Maurits | Maurits-Marijn |
| Maurits-Mikahil | Maurizio | Mauro |
| Maury-Jay | Maverick | Mavey |
| Mawin | Max | Max-Julius |
| Maxamed | Maxence | Maxím |
| Máxim | Maxim | Maxim Eseoghene |
| Maxime | Maximiliaan | Maximilian |
| Maximiliano | Maximilien | Maximilius |
| Maximilliaan | Maximillian | Máximo |
| Maximo | Maximus | Maxiveano |
| Maxmilian | Maxwell | Maxx |
| Maxymilian | Maydion | Mayk |
| Maylo | Mayro | Mayron |
| Mayson | Maz | Mazen |
| Mazin | Mazlum | Maäseja |
| Mbaye | Mbondeno | Mbyayingabo |
| Meas | Mec | Mecx |
| Medet | Medin | Medson |
| Meef | Mees | Meeuwes |
| Meeuwin | Meeuwis | Meez |
| Megiel | Mehar | Mehdi |
| Mehmed | Mehmet | Mehmet-Eren |
| Mehmetali | Mehmetay | Mehmethan |
| Mehraj | Mehran | Meijer |
| Meijne | Meinard | Meindert |
| Meindert-Jan | Meine | Meine-Pieter |
| Meint | Meinte | Mel |
| Melchior | Melgio | Mélian |
| Melih | Melik | Melis |
| Melisio | Mell | Melle |
| Melljainy | Mello | Mels |
| Melvin | Memati | Memet |
| Memphis | Mena | Menardo |
| Mendel | Mendes | Mendim |
| Mendo | Menne | Menno |
| Menoah | Menouar | Mente |
| Menzo | Meo | Meradj |
| Mercisse | Merdan | Meren |
| Mereyn | Merhan | Meriç |
| Meric | Merijn | Merik |
| Merino | Meriton | Merjo |
| Merlijn | Merlin | Mersed |
| Mert | Mertcan | Merten |
| Mertkan | Mervedi | Mervyn |
| Meryn | Meshack | Mesin |
| Messi-Mata | Messiah | Messie |
| Mesut | Mete | Metehan |
| Metin | Mette | Metush |
| Metz | Meve | Mevlud |
| Mevlüt | Mevlütcan | Mex |
| Mexx | Mexz | Mezian |
| Mezinio | Mhando | Mi?a |
| Mian | Mica | Micaël |
| Micah | Micha | Micha? |
| Michael | Michaël | Michaelangelo |
| Michail | Michal | Michalis |
| Michano | Michaud | Micheal |
| Michee | Michel | Michelangelo |
| Michele | Michello | Michiel |
| Michiteru | Michka | Michon |
| Mick | Micka | Mickel |
| Mickey | Mickie | Micky |
| Mico | Micraj | Midas |
| Mido | Miel | Mient |
| Mies | Miesja | Mieszko |
| Migael | Migel | Mighaël |
| Miguèl | Miguel | Miguell |
| Mihael | Mihai | Mihailo |
| Mihajlo | Mihal | Mihlo |
| Mihraç | Mijndert | Mik |
| Mika | Mikaeel | Mikael |
| Mikah | Mikai | Mikaï |
| Mikaiel | Mikâil | Mikail |
| Mikail-Aslan | Mikailo | Mikal |
| Mikala | Mikan | Mikay |
| Mike | Mikel | Mikey |
| Mikhail | Mikhay | Mikio |
| Mikiyas | Mikk | Mikkel |
| Mikki | Mikko | Miklas |
| Miklo | Miko | Miko?aj |
| Mikolaj | Mikolay | Mikotaj |
| Milaad | Milad | Milan |
| Milander | Milandrey | Milandrie |
| Milano | Milas | Milay |
| Milayim | Mileau | Milen |
| Milenco | Miles | Milian |
| Miliano | Milko | Milla |
| Millan | Millen | Miller |
| Milliardo | Milo | Milo-Jace |
| Milon | Miloslav | Milosz |
| Miloud | Milow | Miloš |
| Milros | Milton | Mimo |
| Mimoen | Min | Minas |
| Minc | Minck | Mindert |
| Ming | Minguel | Minguelino |
| Mingus | Minh | Minikus |
| Minja | Minji-jin | Mink |
| Minne | Mino | Minze |
| Mio | Mion | Miqai |
| Miquel | Mir | Mirac |
| Miraç | Miracle | Miraj |
| Miralay | Miran | Mirkan |
| Mirko | Miro | Miró |
| Miron | Miroslav | Mirwais |
| Mirza | Misaël | Mischa |
| Misha | Mishael | Misja |
| Miska | Mitch | Mitchel |
| Mitchell | Mithat | Mix |
| Mizangelo | Mo | Moa |
| Moatez | Moawia | Mobin |
| Moby | Modasser | Modest |
| Modi | Moechtar | Moegtaba |
| Moehammed | Moek | Moesa |
| Moesen | Moessa | Moestafa |
| Mohad | Mohamad | Mohamadou |
| Mohamed | Mohamed Amine | Mohamed-Amin |
| Mohamed-Amine | Mohamed-Riad | Mohamedamin |
| Mohameddeq | Mohamedi | Mohamedsire |
| Mohamedwael | Mohameh | Mohammad |
| Mohammadhosain | Mohammed | Mohammed-Amin |
| Mohammed-Arasch | Mohammmed | Mohan |
| Mohanad | Mohi-Eldin | Mohid |
| Mohsin | Moiren | Moïs |
| Moiz | Moke | Mokhtar |
| Molitio | Moncef | Moncif |
| Money | Monne | Monssif |
| Montassir | Monte | Monteiro |
| Montgomery | Moos | Mordagai |
| Moreno | Morgan | Moric |
| Moris | Moritz | Morlan |
| Morris | Morris-Jan | Morrison |
| Morritz | Morten | Mory |
| Moryba | Mos | Mosa |
| Mosaiah | Mose | Moses |
| Moshe | Mostafa | Mosteincke |
| Motaz | Mouaâd | Mouad |
| Moufeed | Mouhamad | Mouhamed |
| Mouhammed | Mouhanad | Mouhcine |
| Mouin | Mouiz | Moukhtar |
| Moundir | Mounir | Mounsif |
| Mounssif | Mourad | Mouri |
| Mourice | Mouricio | Mousa |
| Moussa | Moustafa | Moustapha |
| Mozes | Mozhyar | Mrienaal |
| Muáad | Muadh | Muammer |
| Muaz | Mubarak | Mubashir |
| Mucaad | Muhamed | Muhamet |
| Muhammad | Muhammed | Muhammed-Kerem |
| Muhammedali | Muhammedbaki | Muhammer |
| Muhammet | Muhanad | Muharrem |
| Muhib | Muhijmen | Muhmmad |
| Muhsin | Muhudiin | Mujeb |
| Mumen | Munachi | Munachimso |
| Munachiso | Munib | Munta |
| Murad | Murat | Murdoc |
| Mure | Murtada | Murteza |
| Mus | Musa | Musab |
| Muscab | Mustafa | Mustafacan |
| Mustapha | Muusa | Muzzammil |
| Myan | Mycah | Mychano |
| Myka | Myl | Mylagro |
| Mylan | Mylano | Mylas |
| Myles | Mylliano | Mylloy |
| Mylo | Mylow | Myran |
| Myrano | Myrddin | Myrenzo |
| Myrhon | Myron | Myrón |
| Myrrick | Mysha | Müslüm |
| Mywand | Müzekkir |