(UFC) Conor Heun - (IFL, EliteXC, ShoXC, Strikeforce) Marcus Hicks - (WEC) Jay Hieron - (Bellator, WEC, IFL, Affliction, Strikeforce, UFC, Titan FC) Jason High - (UFC, Strikeforce, Affliction, DREAM, Titan FC) Corey Hill - (UFC, XFC, TPF) Jamahal Hill - (UFC) Branden Lee Hinkle - (UFC, RINGS, IVC, Pancrase, VTJ) Hatsu Hioki - (Shooto, PRIDE, Sengoku, UFC, RIZIN) Kuniyoshi Hironaka - (Pancrase, VTJ, DREAM, UFC, Shooto) Mizuto Hirota - (Shooto, Sengoku, Strikeforce, UFC) Matt Hobar - (UFC) Bobby Hoffman - (KOTC, RINGS, UFC, Jungle Fight) Sam Hoger - (UFC, IFL) Andrew Holbrook - (UFC) Mark Holata - (Bellator) Chris Holdsworth - (UFC) Roger Hollett - (MFC, Bellator, UFC) Max Holloway - (UFC) Patrick Holohan - (Pancrase, Cage Contender, UFC) Mark Holst - (UFC) Mark Hominick - (UFC, Affliction, WEC) Chris Honeycutt - (Bellator) Satoshi Honma - (PRIDE, UFC, Shooto, K-1) Darrell Horcher - (Bellator, UFC) Kyoji Horiguchi - (Shooto, VTJ, UFC, RIZIN) Jeremy Horn - (IFL, KOTC, Pancrase, PRIDE, UFC, WEC, RINGS, Adrenaline MMA, Bellator) Dan Hornbuckle - (Sengoku, Bellator, DEEP, Titan FC) Chris Horodecki - (Bellator, WEC, IFL) Matt Horwich - (UFC, Strikeforce, Bellator, IFL, BAMMA, KSW) Jeff Hougland - (UFC, WEC) Harold Howard - (UFC) John Howard - (UFC, IFL) Robert Howard Tom Howard - (Cage Rage, IFL, K-1) Shane Howell - (Bellator, KOTC, UFC) Roger Huerta - (UFC, Bellator, OneFC) Mark Hughes - (UFC) Matt Hughes - (UFC, Shooto, RINGS) Matt Hume - (Pancrase) Mark Hunt - (PRIDE, DREAM, UFC) Solomon Hutcherson - (UFC, MFC) I Al Iaquinta - (UFC) Alexey Ignashov - (K-1) Fabiano Iha - (KOTC, PRIDE, UFC) Hisao Ikeda - (Shooto) Seichi Ikemoto - (DEEP, DREAM, PRIDE, Shooto) Junji Ikoma - (Shooto) Mikhail Ilyukhin - (PRIDE, RINGS, K-1 Hero's) Toby Imada - (WEC, KOTC, Bellator) Masakazu Imanari - (Pancrase, PRIDE, Cage Rage, DREAM, DEEP, OneFC) Brad Imes - (UFC, WEC, IFL, KOTC, Titan FC, PFC) Guto Inocente - (Shooto, Strikeforce, UFC) Egan Inoue - (Shooto, RINGS, PRIDE) Enson Inoue - (PRIDE, VTJ, Shooto, UFC) Naoki Inoue - (DEEP, UFC) Takeshi Inoue - (Shooto, DREAM, VTJ) James Irvin - (Strikeforce, WEC, UFC, TPF, KSW) Mitsuhiro Ishida - (PRIDE, DREAM, Strikeforce, Shooto, DEEP) Satoshi Ishii - (K-1, DREAM, Sengoku) Yoshimasa Ishikawa - (Shooto) Shintaro Ishiwatari - (Shooto, Pancrase, Sengoku, VTJ) Takashi Ishizaki - (Shooto) Tokimitsu Ishizawa - (DREAM, K-1 Hero's, PRIDE) Wallid Ismail - (PRIDE, UFC) Leandro Issa - (OneFC, UFC) Junji Ito - (Shooto)