Kaisy, Adnan   auch Kaisser, Al
  General Adnan  WWF
  Sheik Adnan Alkasse
  Billy White Wolf

Kakihara, Masahito
  Masahito Kakihara

Kamiya, Miori
  Cooga  Jd'

Kamp, Jeff Van
  Lord Humongous  AL

Kandori, Shinobu
  Shinobu Kandori  LLPW, AJW

Kane, Ruben
  Robert Gibson  WWF, WWC, SMW, Memphis, NWA, UWF, AWA, South US, Southwest
 Teams:
  The Rock'n'Roll Express w/Ricky Morton  WWF, WCW, SMW

Kanemoto, Koji
  Koji Kanemoto  WCW, NJPW
  Tiger Mask III  NJPW, AAA
  King Lee  UWA

Kanemura, Kouhiro   auch Kanemura, Yukihiro
  W*ING Kanemura  FMW
  Yukihiro Kanemura  FMW
  Kanemura  FMW

Kanemura, Yukihiro   auch Kanemura, Kouhiro
  W*ING Kanemura  FMW
  Yukihiro Kanemura  FMW
  Kanemura  FMW

Karolette, Darryl
  Big Sky  WCW
  Nitron  WCW
  Butch Masters  Winnipeg

Kash, David
  Kid Kash  ECW, WCW, NWA-TNA, WWE

Kaye, Mattew
  Matt Striker  WWE

Kato, Hiromi
  Hiromi Kato  GAEA

Kato, Naomi
  The Bloody  Jd'
  The Bloody Phoenix

Kato, Sonoko
  Sonoko Kato  GAEA

Kauroff, Klaus
  Klaus Kauroff  CWA

Kawada, Toshiaki
  Toshiaki Kawada  AJPW
 Teams:
  Footloose w/Samson Fuyuki  AJPW

Kazarian, Frankie
  Frankie Kazarian  TNA, WWE, ZO

Kean, Lanny
  Moondog Cujo  WWF
 Teams:
  Moondogs w/Rex, King, Spike, Mayne & Spot

Keibler, Stacy
  Skye  WCW
  Miss Hancock  WCW
  Stacey Keibler  WCW, WWF, WWE
 Teams:
  The Alliance  WWF
  Standards and Practices  WCW

Keirn, Steve
  Skinner  WWF
  Doink The Clown II  WWF, CWA
  Steve Keirn  Memphis, FL, AWA, Southwest
  The Evil Clown
 Teams:
  The Fabulous Ones w/Stan Lane  Memphis, FL, AWA, Southwest
  Bad Attitude w/Bobby Eaton  WCW

Kellum, Robert
  Gorgeous George III
  El Hermoso Jorge

Kelly, Kevin
  Kevin Kelly  WWF

Kendrick, Brian David
  Spanky  WWE, MCW2, ROH, Independents
  Leonardo Spanky  ZERO-ONE
  Brian Kendrick  WWE
  The Diamondback  WWE
  The Jet  WWE
  The River Rat  WWE
  The Penguin  WWE
  The Masked Canadian  WWE
  The Titan  WWE
  The Roughrider  WWE

Kenney, Patrick
  Pat Kenney  NWA-TNA
  Lance Diamond  Independents
  Simon Diamond  ECW, TNA
 Teams:
  Diamonds in the Rough w/David Young & Elix Skipper  TNA

Keyes, Brian
  Hornet  SMW
  Masked Inferno I  SMW

Keys, Brian
  Brimstone  SMW
 Teams:
  The Infernos w/Fire the Inferno  SMW

Kido, Osamu
  Osamu Kido  NJPW, UWF, JWA

Kikuchi, Tsuyuki
  Tsuyuki Kikuchi  AJPW, NOAH

Kikuzawa, Jun
  Ebessan  Osaka Pro, NJPW, AJPW

Killings, Ron
  K-Krush  NWA-WS, MCW2
  K-Kwik  WWF
  Ron Killings  NWA-TNA
 Teams:
  3 Live Krew w/Konnan & BG James  NWA-TNA

Kim, Gail
  La Felina  Independents
  Gail Kim  WWE

Kimura, Masao
  Rusher Kimura  AJPW, NJPW, IWE
  Crusher Kimura  Calgary
  Mr. Sun  LA
  Mr. Toyo
  Masao Kimura  Tokyo Pro, JWA
 Teams:
  International Blood Army All Japan w/Ashura Hara & Goro Tsurumi  AJPW

Kimura, Takashi
  Kengo Kimura  NJPW
  Pak Choo
  Takashi Kimura  JWA
 Teams:
  Heisei Ishingun w/Kuniaki Kobayashi & Shiro Koshinaka

Kintaro, Ill Kim
  Kintaro Ohki

Kirchner, Mike
  Coporal Kirchner  Stampede
  Leatherface  Japan

Kirkland, Jean
  The Black Venus

Kitamura, Tomoko
  Lioness Asuka  AJW, Jd'
 Teams:
  The Crush Girls w/Chigusa Nagayo  AJW

Kitao, Koji
  Koji Kitao

Klaas, Andre
  Rockin' Agony  IWW, IWA Deutschland
  Agony D.C.  IWA Deutschland

Kline, Ken
  El Fabuloso Blondie
 Teams:
  The Fabulous Blondes w/Eric Embry

Kluscaritis, Chris
  Chris Canyon  WCW
  Chris Morgan  Independents
  Mortis  WCW
  Kanyon  WCW, WWF, OVW
 Teams:
  Men at Work w/Mark Starr  WCW
  Men at Work w/Mike Winner  WCW
  The Alliance  WWF
  New Blood  WCW
  New Jersey Triad w/Diamond Dallas Page & Bam Bam Bigelow  WCW

Knapik, Robert J.
  Rage  WCW
 Teams:
  High Voltage w/Chaos  WCW

Knight, Dennis
  Phiennias I. Godwinn  WWF
  Dennis Knight  WWF
  Tex Slazenger  WCW, USWA
  Tex Sallinger  WCW
  Mideon  WWF
  Naked Mideon  WWF
 Teams:
  The Godwinns w/Henry Godwinn  WWF
  Southern Justice w/Mark Canterbury  WWF
  Ministry of Darkness WWF

Knight, Ronald Jason
  Jason  ECW
  Jason Knight  NWA

Knighton, Brian
  Axl Rotten  GWF, ECW
  Zak Blades
 Teams:
  Bad Breed w/Ian Rotten  ECW

Kobashi, Kenta
  Kenta Kobashi  AJPW

Kobayashi, Gennosuke
  Mr. Gannosuke  Big Japan, FMW
  Gennosuke Kobayashi  Big Japan

Kobayashi, Kuniaki
  Kuniaki Kobayashi  NJPW, WAR, AJPW
  Kid Koby  LA, Mexico
  The Pirate  NJPW
 Teams:
  Heisei Ishingun w/Kengo Kimura & Shiro Koshinaka

Kobayashi, Shozo
  Strong Kobayashi

Kojima, Satoshi
  Satoshi Kojima  NJPW, AJPW

Kojima, Yoshuhiro
  Hiro Matsuda
  Mr. Matsuda

Koshinaka, Shiro
  Shiro Koshinaka  NJPW, WAR, AJPW
  Samurai Shiro  Mexico
 Teams:
  Heisei Ishingun w/Kengo Kimua & Kuniaki Kobayashi
  Skinheads  NJPW

Koslowski, Dennis
  Dennis Koslowski

Kosugi, Yuko
  Yuko Kosugi  Jd'

Kowalski, Wladek
  Killer Kowalski  WWF
  Masked Destroyer I  WWF, FL
  Walter Kowalski
  Executioner #3  WWF
 Teams:
  The Executioners w/Big John Studd & Nikolai Volkoff  WWF

Kretschmer, Karsten
  Karsten Kretschmer  IWW, CWA, EWP

Krüger, Viktor
  Viktor Krüger  WCW, CWA, Battlarts, IWW, WWA

Kulas, Erich
  Mass Transit  ECW

Kulka, Glen
  Glen Kulka  WWF

Kuroda, Tetsuhiro
  Tetsuhiro Kuroda  FMW

Kurshner, Mike
  Super Leather  FMW

Kusatsu, Masatake
  The Great Kusatsu

Kuzumi, Tomoko
  Tomoko Kuzumi  JWP