- Matt (3-dee) Wilmot 6
- Matt Lefevere 4
- Matt Mager 3
- Matt Marinello 2
- Matt Miller a.k.a. T-Bone 5
- Matt Murphy 19
- Matt Rasmussen (Razman) 2
- Matt Staats 2
- Matt The Muska 4
- Matt Vitalone 2
- Matt Wilmot [3-dee] 2
- MattMan 7
- MattMan - *BS*TURDinator 2
- Matteo "{PsM}Scrofa" Biella 2
- Matthew "Lofty" Lear 4
- Matthew "Nebuchadnezzar" Fulghum 2
- Matthew "SilverSound" 3
- Matthew "Xyius" Brandsema 3
- Matthew "[sKc]-xSsHOCKRx-nz" Beal 2
- Matthew 'MSULL' Sullivan 10
- Matthew 'Shade' Ramshaw 13
- Matthew 'Sharp' Squire 2
- Matthew Kagle 9
- Matthew M Ramshaw (aka Shade) 14
- Matthew Sandstrom 6
- Matthias ' Tronic ' Dörflinger 11
- Matthias 'SniperMM' Mohr 2
- Matthias 'XeNoS' Schwerdt 2
- Matthias Worch 16
- Matthias Worch/ mod - dinwitty 2
- Matthias [Tronic] Dörflinger 25
- Matthijs M. (http://www.planetunreal.com/matthijs/) 2
- Matthijs Meerman (thanks to Akuma for textures!) 6
- Matti Schulitz 6
- Mattias "Maekh" Ekh 3
- Mattias "NeutralizeR" 3
- Mattias "NeutralizeR" Ekh 7
- Mattias "Uber1337" Westlund 13
- Mattomondo 2
- Mattousai 2
- MattyD 4
- MattyD(Monk-UK) 4
- Mauricio "Slave" Vittorazzi 2
- Maury de Geofroy (ruineR 14
- Mave 8
- Max "[RiAx]RaptoR" Brown 2
- Max 'Vanitas' Federmann 2
- Max (LSD) 5
- Max Kerfoot 5
- Max Moswitzer 2
- Max SMoke 4
- Max!muS 4
- MaxModule 5
- Maxim "Shadow" Panin 18
- Maxime 'Noodles' Boutet 3
- Maximized by Tgz: 3
- Maxx 9
- MayDay 2
- Maz 7
- Maz the Despicable 2
- Maze and LordFubar 2
- Mazmaz (the Despicable) 6
- Mazurizi aka Mazzles 6
- Mazurizi^cless 3
- Mazzaroppi 5
- McSwartzly by Eric Evans 2
- McWulf 2
- Me 7
- MeSsKeLl 7
- MeanyMortal 6
- Mechjock 3
- Medic | 8
- Medusa's Tongues 5
- Megamix 5
- Mek 2
- Meledictum 2
- Melissa "WET" Fenner 3
- Melli_PaS_NeT 4
- Melt_ (CTFM version) 3
- Meltdown 2