- Mike9000 6
- Mike9000-Weapon modifiction - chris 3
- MikeB 5
- MikeB(Mira) 4
- MikeKidney 3
- Mikee 8
- Mikhail "Cultist" Salzmann 2
- Mikhail (a.k.a. Map Master) Asanovic 2
- Miki "CORWIN" Steiner 2
- Mikius_2003 3
- Milda Evilda [CZ] 2
- Miles Asvachin 3
- Millennium 4
- Milna 2
- Mindscape_UT 18
- Mini_Misty 2
- Minky 6
- Minky-(DOG)- 2
- MinorWolf 4
- Mirage 17
- Mislav 7
- Miss_Taken 2
- MissileMaster 13
- MissingLink 6
- Mister "Mister Trixon" Trioxin 2
- Mister_Cope 6
- Mister_Prophet 16
- Mitch 'RRxClan' Fletcher 2
- Mitja [morpheus] Uranjek 2
- Mitja"Morpheus"Uranjek 9
- MjrHuRTz 2
- Mkdo 5
- MoJo JoJo 4
- MoJo_JoJo 4
- MoRTha 3
- MoRpHiN-Cz 2
- ModiFiedByMarz<MarS> 3
- ModifiedByMarazia<MARS> 2
- ModifiedBySinji-(DOG)- 2
- Mogh 11
- MoldyToe 3
- Molgan 12
- Molnár "makemeunreal" Balázs 38
- Mônasta 10
- Monk 12
- MonkeyBlitch 4
- Monkii 3
- Monkiilongo 3
- Monnick 5
- Monsta^k- 4
- MonsterMaster 19
- MonsterTrosity 5
- Moo Cow Designs 4
- MooPfhan 2
- Mooney 12
- Moose (Maury Mountian III) 2
- Morbias by Myscha the sled dog. Modified into the 2
- Morbid 2
- Morgan 'Botman' Eves 21
- Morph3us 2
- MorpheusX 2
- Morphias 16
- MorphiusBloodLust 4