Nomi con la lettera M
| Mac | Mac-Attack | Macbeth | Machete |
| Machiavelli | Macho | Macintosh | Mackerel |
| Macmillan | Mad Max | Madame Butterfly | Maduro |
| Maestro | Mafioso | Maggie | Magic |
| Magna | Magnet | Magnolia | Magnum |
| Magpie | Mahimahi | Mahogany | Mai Tai |
| Mailman | Majestic | Major | Mako |
| Malcolm | Mamacita | Mamba | Mambo |
| Mamie | Manchu | Mandy | Manhattan |
| Manners | Maple Syrup | Maraschino | Marauder |
| Marble | Mardi Gras | Mariachi | Marie Antoinette |
| Marigold | Marilyn | Marlboro | Marley |
| Marmaduke | Marmalade | Marquee | Marshmallow |
| Martian | Martini | Matador | Matilda |
| Matisse | Matok | Mattie | Matzo |
| Maui | Maverick | Max | May |
| Maya | Mayhem | Maynard | Mazel Tov |
| Mccoy | Me Too | Meadow | Meatloaf |
| Medea | Medusa | Mee-Krob | Melange |
| Mellow | Melody | Melon-Head | Melvin |
| Menage | Mercedes | Merlin | Mesquite |
| Metis | Metro | Miata | Mickey |
| Midas | Midget | Midnight | Mignon |
| Miles | Minerva | Ming | Mink |
| Minnie | Miró | Misery | Misha |
| Missie | Missing Link | Mistletoe | Mocha |
| Moet | Mogul | Mohave | Mohawk |
| Mohican | Mo-Jo | Mole | Mon Ami |
| Mon Cher Or Ma Cherie | Mona | Mona Lisa | Mongoose |
| Monk | Monkey | Montego | Monty |
| Moochy | Moody | Moonbean Or Moonmist | Moondance |
| Moongoddess | Moonraker | Moonshine | Moonstruck |
| Moose | Mopsy | Moptop | Mork |
| Morocco | Morris | Mortimer | Moselle |
| Moustache | Mouton | Movado | Mozart |
| Mu Shu | Mudd | Muddles | Mudpie |
| Muenster | Muffin | Mug | Mugsy |
| Mulberry | Mumbles | Muncher | Munchkin |
| Munchykin | Muse | Mustang | Mutant |
| Mutt | Mystic | Myth |