Renê Nazare - (Bellator) Dustin Neace - (UFC, Bellator, Strikeforce) Stanislav Nedkov - (Shooto, Pancrase, Sengoku, UFC) Josh Neer - (UFC, Bellator, IFL) Steve Nelmark - (UFC) Gunnar Nelson - (UFC, BAMMA, Cage Contender) Roy Nelson - (IFL, EliteXC, UFC) Shane Nelson - (UFC, Shooto, MFC) Viktor Nemkov - (M-1) Antonio Braga Neto - (UFC, Sengoku, AOW) Nick Newell - (XFC, WSOF) Carlos Newton - (VTJ, Shooto, PRIDE, UFC, IFL, K-1 Hero's) Emanuel Newton - (Bellator, MFC, IFL, KOTC, WEC) Alain Ngalani - (OneFC) Francis Ngannou - (UFC) Ben Nguyen - (UFC) Alex Nicholson - (UFC, Legacy) Matheus Nicolau - (UFC, Shooto) Tom Niinimäki - (Shooto, CWFC, Titan FC, UFC) Ramsey Nijem - (UFC) Hans Nijman - (RINGS, PRIDE) Mats Nilsson - (Shooto, CWFC, UFC) Jack Nilson - (RINGS, UFC) Guangyou Ning - (UFC, AOW) Yosuke Nishijima - (PRIDE, K-1) Akiyo Nishiura - (DEEP, Shooto, DREAM, VTJ) Takashi Nishizawa - (Shooto) Anthony Njokuani - (WEC, UFC) Jacob Noe - (Bellator, Strikeforce) Alexandre Franca Nogueira - (K-1 Hero's, Shooto, WEC, VTJ) Antônio Rodrigo "Minotauro" Nogueira - (UFC, PRIDE, RINGS) Antônio Rogério "Minotouro" Nogueira - (PRIDE, Affliction, Jungle Fight, Sengoku, DEEP, UFC) Luis Nogueira - (Shooto, Bellator) Kyle Noke - (UFC, EliteXC) Kimihito Nonaka - (Shooto) K. J. Noons - (EliteXC, ShoXC, DREAM, Strikeforce, UFC) Sage Northcutt - (Legacy, UFC) Jan Nortje - (K-1, K-1 Hero's, PRIDE, DREAM, Strikeforce) Phillipe Nover - (Combat Zone, UFC, Bellator) Diego Nunes - (UFC, WEC, Shooto, Bellator) Khabib Nurmagomedov - (UFC, M-1) O Jake O'Brien - (UFC, DREAM, WEC) Sean O'Connell - (MFC, UFC) Volkan Oezdemir - (Bellator, UFC, Shooto) Haruo Ochi - (Shooto, DEEP, Rizin) Naoya Ogawa - (PRIDE) Andy Ogle - (UFC) Carl Ognibene - (PRIDE) Tomonori Ohara - (Shooto) Kenji Ogusu - (Shooto) Sean O'Haire - (K-1, K-1 Hero's, PRIDE) Michiyoshi Ohara - (PRIDE) Masahiro Oishi - (DEEP, Pancrase, Shooto) Takayuki "Giant Ochiai" Okada - (PRIDE, KOTC, DEEP) Yushin Okami - (K-1 Hero's, Pancrase, M-1, PRIDE, UFC, WSOF) Koetsu Okazaki - (Shooto, OneFC) Mamoru Okochi - (Shooto) Yasunori Okuda - (Shooto) Taisuke Okuno - (Shooto, Sengoku, DEEP) Alexey Oleinik - (M-1, KSW, Bellator, UFC, YAMMA) Charles Oliveira - (UFC, Jungle Fight) Rafaello Oliveira - (UFC, ShoXC, XFC) Bobby Ologun - (K-1, K-1 Hero's) Andy Ologun - (K-1, K-1 Hero's, DREAM) Brian Olsen - (WEC) Casey Olson - (WEC, PFC, Strikeforce, TPF) Sean O'Malley - (UFC, LFA) Daniel Omielańczuk - (UFC, KSW) Michihiro Omigawa