Ichiki, Kiyoko
  Kiyoko Ichiki  Big Japan, R2W

Iizuka, Takayuki
  Takayuki Iizuka  NJPW
  Takashi Iizuka  NJPW
 Teams:
  Japanese Jollyjacks w/Akira Nogami

Ingram, Jeffrey
  Lord Humongous  Winnipeg
  Dark Jason  Winnipeg
  Max Impact  Winnipeg

Inoki, Kanji
  Antonio Inoki  NJPW, WCW, JWA
  Tokyo Tom
  Kanji Inoki  JWA
  The Kamikazee

Inoue, Kyoko
  Kyoko Inoue  AJW, Neo Ladies, IWA

Inoue, Masao
  Masao Inoue  AJPW, NOAH

Inoue, Sueo
  Mighty Inoue  AJPW, IWE
  Marte Inoue  AJPW
 Teams:
  Japanese High Flyers w/Ashura Hara

Inoue, Takako
  Takako Inoue  AJW, IWA

Inoue, Takeshi
  Takeshi Rikio  AJPW, NOAH
 Teams:
  Wild 2 w/Takeshi Morishima  NOAH

Irvine, Christopher
  Chris Jericho  WWF,  WCW, ECW, EMLL, WAR, Independents, Hamburg, WWE
  Corazon de Leon  EMLL
  Lion Heart  WAR
 Teams:
  The Thrillseekers w/Lance Storm

Irwin, Barney
  "Wild" Bill Irwin  UWF, WCCW, AWA, Mid South, Memphis, Montreal
  The Goon  WWF
  The Super Destroyer #1  WCCW
 Teams:
  The Long Riders w/Scott Irwin  WCCW, AWA, Mid South, Memphis, Montreal
  The Super Destroyers w/The Super Destroyer #2  WCCW

Irwin, Scott
  Scott Irwin  WCCW, AWA, Mid South, Memphis, Montreal
  The Super Destroyer  FL, Mid Atl
  Thor the Viking  FL
 Teams:
  The Long Riders w/Bill Irwin  WCCW, AWA, Mid South, Memphis, Montreal

Ishii, Rina
  Rina Ishii  GAEA  

Ishikawa, Takashi
  Takashi Ishikawa

Ishikawa, Yuki
  Yuki Ishikawa  NJPW, PWFG, Battlarts, ZERO-ONE

Ishizawa, Tokimitsu
  Tokimitsu Ishizawa  NJPW
  Kendo KaShin  NJPW, AJPW

Islas, Francisco Pantoja
  Super Crazy  AAA, ECW, NJPW, ROH, WWE
  Super Loco
  Histeria
  Hysteria
 Teams:
  Mexicools w/Psicosis & Juventud  WWE

Istaz, Karl
  Karl Gotch
  Karl Krauser

Ito, Kaoru
  Kaoru Ito  AJW, JWP
  ZAP I  AJW
 Teams:
  Masked Zaps w/ZAP T  AJW

Iwamoto, Masaru Charlie
  Mr. Moto

Izumida, Ryuma
  Ryuma Izumida  AJPW