M - brands for men
- M & O
- M By Bruno Magli
- M Clip
- M Missoni
- M44 Label Group
- Maaji
- MAC Jeans
- Maceoo
- Mackage
- Mackintosh
- Made In Italy
- Madewell
- Magaschoni
- Magazzino Ricambi
- Magellan Outdoors
- Magliano
- Magliano X Dsquared2
- Magnanni
- Maharishi
- Mains
- Maison Kitsuné
- Maison Labiche
- Maison Margiela
- Maison Mihara Yasuhiro
- Maison Scotch
- MAJJI
- Malbon Golf
- Malo
- Maloja
- Mammut
- Mammut Swiss1862
- Manebi
- Manifattura Ceccarelli
- Manipur
- Manolo Blahnik
- Manuel Ritz
- Marathon Sports
- Marathon Sportswear
- Marc Darcy
- Marc Jacobs
- Marc Joseph New York
- MARC O'POLO
- Marcelo Burlon
- Marco Pescarolo
- Marcoliani
- Mares
- MARIANO NAPOLI
- Marimekko
- Marina Yachting
- Marine Serre
- Mario Portolano
- Market
- MARMOT
- Marni
- Marni X Carhartt Wip
- Marsell
- MARSEM
- Martin Dingman
- Martine Rose
- Martinelli
- Mason's
- Massimo Alba
- Massimo Osti Studio
- Master Craft Union
- MASTER OF ARTS
- Mastermind Japan
- Masutto
- Matsuda
- Matttew
- Maui Jim
- Mauna Kea
- Mauritius
- Maurizio Baldassari
- Maurizio Miri
- Mavi
- Mavrans
- Mayoral
- MAZARI
- Mazzarelli
- MC2 Saint Barth
- McLaren
- MCM
- Members Only
- Men's
- MEPHISTO
- Mercier
- Merrell
- Merz B. Schwanen
- MeUndies
- Meyer
- Mfpen
- Michael Coal
- MICHAEL COAL 1+
- Michael Kors
- Michael Kors Outlet
- MICHAEL Michael Kors
- MICHELE CARBONE
- MICHELE PAOLONI
- Mihara Yasuhiro
- Minnetonka
- Minnow
- Minus One
- MISBHV
- Mish Mish
- Missoni
- Missoni Kids
- Mitchell & Ness
- Miu Miu
- Mizumi Couture
- Mizuno
- Mizzen + Main
- MM6
- Mm6 By Maison Margiela
- Mm6 By Maison Margiela X Salomon
- MM6 Maison Margiela
- Mm6 Maison Margiela X Salomon
- MODFITTERS
- Molo
- Moma
- Moncler
- Moncler + Rick Owens
- Moncler Genius
- Moncler Grenoble
- Moncler Jr
- MONCLER X ASAP ROCKY
- MONCLER X FRAGMENT
- MONCLER X RICK OWENS
- Monfrere
- MONICA + ANDY
- Mono B
- Monobi
- MONT BLANC
- Montana Silversmiths
- Montbell
- Montblanc
- Montecore
- Montirex
- MONTURA
- Mood Swings
- MOON BOOT
- Moorer
- Moose Knuckles
- Mordecai
- Moretti
- Moschino
- Moschino Couture
- Moschino Underwear
- Mountain Hardwear
- MOUNTAIN KHAKIS
- MOUSSY VINTAGE
- Mouty
- Mr & Mrs Italy
- Mr P.
- Mr. Leight
- Mr. Wave
- Msgm
- MUCK
- Munich
- Murder FM
- Museum Of Peace & Quiet
- Mustang
- My Favorite
- Mykita
- Myths