Mac/Mack
Macauley/Macaulay
Macon
Madden
Maes
Magnus
Mahatma
Mahershala
Mahogany
Mail
Major
Makoa
Malachi
Malcolm
Mandela
Manhattan
Manolo
Marcel
Marcellus
March
Marcus
Mark/Marc
Marlowe
Mars
Marshall
Martin
Masahiko
Masamune
Masato
Mason
Matisse
Matthew
Matthias/Mathias
Maui
Maurice
Maverick
Max
Maxim
Maximillian
Maximus
Melchior
Meliorn
Melkor
Memphis
Menehptre
Mercury
Mercutio
Merenkahre
Meriadoc
Merle
Merlin
Merry
Micah
Michael/Mikael
Midas
Mifune
Mihael
Miketsu
Miles
Milo
Minho
Minos
Minseok
Mischa/Misha
Miska
Mitsukuni
Moloch
Monet
Monroe
Montague
Montgomery
Monti/Monte
Montrose
Mordecai
Mordred
Morpheus
Morrison
Morrissey
Mortimer
Moses
Mowgli
Muerto
Mufasa
Mulop
Murphy
Murray
Mycroft
