| First | Last | Nickname | Ht. | Wt. | Reach | Stance | W | L | D | Belt |
|---|---|---|---|---|---|---|---|---|---|---|
| Patrick | Kaase | Kamikaze | 5' 9" | 185 lbs. | -- | 1 | 2 | 0 | ||
| Emily | Kagan | 5' 3" | 115 lbs. | -- | 3 | 3 | 0 | |||
| Oron | Kahlon | 5' 8" | 135 lbs. | 70.0" | Orthodox | 16 | 1 | 0 | ||
| Kaiwen | The Underdog | 5' 9" | 145 lbs. | 72.0" | Switch | 12 | 6 | 0 | ||
| Sirwan | Kakai | Zohan | 5' 5" | 135 lbs. | -- | Orthodox | 12 | 5 | 0 | |
| Saidyokub | Kakhramonov | 5' 8" | 135 lbs. | 69.0" | Orthodox | 10 | 3 | 0 | ||
| Geza | Kalman | 6' 1" | 200 lbs. | -- | 4 | 9 | 0 | |||
| Bryson | Kamaka | 5' 11" | 170 lbs. | -- | Orthodox | 12 | 20 | 1 | ||
| Kai | Kamaka | The Fighting Hawaiian | 5' 7" | 145 lbs. | 69.0" | Orthodox | 8 | 4 | 1 | |
| Shuya | Kamikubo | Stealth | 5' 5" | 135 lbs. | 68.0" | Switch | 13 | 2 | 1 | |
| Martin | Kampmann | The Hitman | 6' 0" | 170 lbs. | 72.0" | Orthodox | 20 | 7 | 0 | |
| Koya | Kanda | Bushido | 5' 9" | 145 lbs. | 75.0" | Southpaw | 12 | 5 | 0 | |
| Bharat | Kandare | Daring | 5' 7" | 135 lbs. | 72.0" | Orthodox | 5 | 3 | 0 | |
| Hiromitsu | Kanehara | 5' 10" | 200 lbs. | -- | Orthodox | 19 | 27 | 5 | ||
| Masanori | Kanehara | 5' 7" | 135 lbs. | 67.0" | Orthodox | 26 | 12 | 5 | ||
| Ken | Kaneko | 6' 0" | 161 lbs. | -- | Orthodox | 0 | 3 | 0 | ||
| Denis | Kang | 5' 11" | 185 lbs. | 77.0" | Orthodox | 35 | 16 | 2 | ||
| Kyung Ho | Kang | Mr. Perfect | 5' 9" | 135 lbs. | 73.0" | Orthodox | 19 | 10 | 0 | |
| Manel | Kape | StarBoy | 5' 5" | 125 lbs. | 68.0" | Southpaw | 19 | 6 | 0 | |
| David | Kaplan | Diamond | 5' 7" | 155 lbs. | -- | Orthodox | 3 | 4 | 0 | |
| Kai | Kara-France | Don't Blink | 5' 4" | 125 lbs. | 69.0" | Orthodox | 24 | 11 | 0 | |
| Georgi | Karakhanyan | Insane | 5' 8" | 145 lbs. | -- | 26 | 7 | 1 | ||
| Alex | Karalexis | The Assassin | 5' 8" | 155 lbs. | 66.0" | Orthodox | 10 | 6 | 0 | |
| Ernesta | Kareckaite | Heavy-Handed | 5' 9" | 125 lbs. | 71.0" | Orthodox | 5 | 0 | 1 | |
| Impa | Kasanganay | Tshilobo | 5' 11" | 170 lbs. | 75.0" | Orthodox | 9 | 2 | 0 | |
| Jinnosuke | Kashimura | 5' 7" | 155 lbs. | 71.0" | Southpaw | 4 | 2 | 0 | ||
| Nadia | Kassem | 5' 5" | 125 lbs. | 66.0" | Southpaw | 5 | 2 | 0 | ||
| Yusuke | Kasuya | 5' 7" | 155 lbs. | -- | Southpaw | 9 | 3 | 0 | ||
| Tetsuji | Kato | -- | 155 lbs. | -- | Orthodox | 20 | 10 | 0 | ||
| Hisaki | Kato | 6' 0" | 185 lbs. | -- | 8 | 2 | 0 | |||
| Brad | Katona | Superman | 5' 6" | 135 lbs. | 64.0" | Orthodox | 15 | 3 | 0 | |
| Calvin | Kattar | 5' 11" | 145 lbs. | 72.0" | Orthodox | 23 | 8 | 0 | ||
| Sarah | Kaufman | 5' 5" | 135 lbs. | 66.0" | Orthodox | 18 | 4 | 0 | ||
| Yusuke | Kawaguchi | 6' 0" | 255 lbs. | -- | 18 | 12 | 0 | |||
| Canaan | Kawaihae | 6' 0" | 145 lbs. | 71.0" | Southpaw | 6 | 2 | 0 | ||
| Tatsuya | Kawajiri | Crusher | 5' 7" | 145 lbs. | 69.0" | Orthodox | 36 | 11 | 2 | |
| Ryo | Kawamura | 5' 11" | 205 lbs. | -- | Orthodox | 18 | 9 | 4 | ||
| Masuto | Kawana | Mast | -- | 145 lbs. | -- | 9 | 3 | 0 | ||
| Doug | Kay | -- | -- | -- | 0 | 0 | 0 | |||
| Toshiomi | Kazama | 5' 7" | 135 lbs. | 69.0" | Orthodox | 10 | 4 | 0 | ||
| Julie | Kedzie | 5' 5" | 135 lbs. | -- | Orthodox | 16 | 13 | 0 | ||
| Ryan | Keenan | 5' 10" | 170 lbs. | -- | 6 | 2 | 0 | |||
| CJ | Keith | 6' 0" | 155 lbs. | -- | Orthodox | 8 | 4 | 0 | ||
| Chris | Kelades | The Greek Assassin | 5' 7" | 125 lbs. | 68.0" | Orthodox | 9 | 3 | 0 | |
| Brian | Kelleher | Boom | 5' 6" | 135 lbs. | 66.0" | Switch | 24 | 15 | 0 | |
| Mayana | Kellem | 5' 5" | 135 lbs. | -- | Orthodox | 7 | 1 | 0 | ||
| Tony | Kelley | Primetime | 5' 9" | 135 lbs. | 70.0" | Switch | 8 | 3 | 0 | |
| Paul | Kelly | 5' 9" | 155 lbs. | 70.0" | Orthodox | 14 | 5 | 0 | ||
| John | Kelly | 5' 9" | 170 lbs. | -- | 5 | 4 | 0 | |||
| Daniel | Kelly | 6' 0" | 185 lbs. | 70.0" | Southpaw | 13 | 4 | 0 | ||
| Tim | Kennedy | 5' 11" | 185 lbs. | 74.0" | Orthodox | 18 | 6 | 0 | ||
| Steve | Kennedy | The Steamrolla | 5' 11" | 170 lbs. | -- | Orthodox | 24 | 8 | 0 | |
| Jeremy | Kennedy | JBC | 5' 11" | 145 lbs. | 71.0" | Orthodox | 11 | 1 | 0 | |
| Waylon | Kennell | 6' 0" | 185 lbs. | -- | 6 | 2 | 0 | |||
| Casey | Kenney | 5' 7" | 135 lbs. | 68.0" | Southpaw | 16 | 4 | 1 | ||
| Maimaitituoheti | Keremuaili | Kyrgyz Mountain Eagle | 5' 6" | 135 lbs. | 66.0" | Orthodox | 26 | 11 | 0 | |
| Aurelijus | Kerpe | -- | -- | -- | Orthodox | 11 | 22 | 0 | ||
| Mark | Kerr | The Smashing Machine | 6' 3" | 266 lbs. | -- | Switch | 15 | 11 | 0 | |
| Will | Kerr | 5' 10" | 155 lbs. | 69.0" | Orthodox | 9 | 3 | 0 | ||
| Ron | Keslar | -- | 185 lbs. | -- | 11 | 9 | 0 | |||
| Rustam | Khabilov | Tiger | 5' 8" | 155 lbs. | 73.0" | Orthodox | 24 | 4 | 0 | |
| Adam | Khaliev | 6' 0" | 170 lbs. | -- | Orthodox | 6 | 0 | 0 | ||
| Sergey | Khandozhko | Honda | 6' 1" | 170 lbs. | 74.0" | Orthodox | 28 | 6 | 1 | |
| Sergei | Kharitonov | 6' 0" | 245 lbs. | -- | Orthodox | 26 | 6 | 0 | ||
| Alfred | Khashakyan | The Fearless | 5' 8" | 135 lbs. | 70.0" | Orthodox | 8 | 3 | 0 | |
| Aliaskhab | Khizriev | Black Wolf | 5' 9" | 185 lbs. | 74.0" | Southpaw | 14 | 0 | 0 | |
| WonBin | Ki | The Danger | 5' 11" | 155 lbs. | 73.0" | Orthodox | 17 | 9 | 0 | |
| Pannie | Kianzad | Banzai | 5' 7" | 135 lbs. | 66.0" | Orthodox | 17 | 8 | 0 | |
| Akira | Kikuchi | 5' 8" | 155 lbs. | -- | Orthodox | 16 | 4 | 0 | ||
| Katsunori | Kikuno | 5' 8" | 145 lbs. | 66.0" | Orthodox | 24 | 8 | 2 | ||
| Sanae | Kikuta | 5' 9" | 200 lbs. | -- | Orthodox | 31 | 9 | 3 | ||
| Jacob | Kilburn | The Killer | 5' 9" | 145 lbs. | 72.0" | Orthodox | 8 | 4 | 0 | |
| Dong Hyun | Kim | Stun Gun | 6' 2" | 170 lbs. | 76.0" | Southpaw | 22 | 4 | 1 | |
| Jin Oh | Kim | 5' 9" | 205 lbs. | -- | Orthodox | 0 | 4 | 0 | ||
| Dae Won | Kim | 5' 11" | 180 lbs. | -- | Orthodox | 11 | 7 | 0 | ||
| Jong Wang | Kim | 6' 1" | 240 lbs. | -- | 13 | 23 | 0 | |||
| Jong Won | Kim | 5' 7" | 139 lbs. | -- | Orthodox | 0 | 1 | 0 | ||
| Min Soo | Kim | 6' 1" | 255 lbs. | -- | Southpaw | 3 | 7 | 0 | ||
| Jong Man | Kim | Special Force | 5' 7" | 139 lbs. | -- | Orthodox | 23 | 11 | 3 | |
| Ji Yeon | Kim | Firefist | 5' 7" | 125 lbs. | 72.0" | Orthodox | 9 | 7 | 2 | |
| MinWoo | Kim | Korean MOAI | 5' 8" | 135 lbs. | 72.0" | Orthodox | 10 | 2 | 0 | |
| HanSeul | Kim | Spade | 6' 1" | 170 lbs. | 74.0" | Southpaw | 13 | 5 | 0 | |
| KyeungPyo | Kim | Redhorse | 5' 9" | 155 lbs. | 71.0" | Orthodox | 11 | 4 | 0 | |
| Sangwook | Kim | Frogman | 6' 0" | 155 lbs. | 72.0" | Orthodox | 9 | 3 | 0 | |
| SangWon | Kim | No Problem | 5' 9" | 145 lbs. | 69.0" | Orthodox | 10 | 6 | 1 | |
| So Yul | Kim | -- | 115 lbs. | -- | 8 | 1 | 0 | |||
| Jeremy | Kimball | 6' 0" | 205 lbs. | 72.0" | Switch | 15 | 8 | 0 | ||
| Rob | Kimmons | The Rosedale Reaper | 5' 10" | 185 lbs. | 73.0" | Orthodox | 25 | 9 | 0 | |
| Dustin | Kimura | The Diamond | 5' 7" | 135 lbs. | 71.0" | Orthodox | 11 | 3 | 0 | |
| Taiei | Kin | 5' 11" | 185 lbs. | -- | Orthodox | 6 | 3 | 0 | ||
| Mike | King | 6' 3" | 185 lbs. | -- | 5 | 1 | 0 | |||
| Kyle | Kingsbury | Kingsbu | 6' 4" | 205 lbs. | 79.0" | Orthodox | 11 | 6 | 0 | |
| Yusaku | Kinoshita | 6' 0" | 170 lbs. | 71.0" | Southpaw | 6 | 3 | 0 | ||
| Kamuela | Kirk | The Jawaiian | 5' 10" | 155 lbs. | 75.0" | Switch | 12 | 6 | 0 | |
| Yurij | Kiseliov | Playboy | 5' 8" | 185 lbs. | -- | Orthodox | 5 | 4 | 0 | |
| Justine | Kish | 5' 5" | 125 lbs. | 64.0" | Orthodox | 7 | 4 | 0 | ||
| Koji | Kitao | 6' 7" | 350 lbs. | -- | Southpaw | 1 | 2 | 0 | ||
| Satoru | Kitaoka | 5' 6" | 154 lbs. | -- | 40 | 14 | 9 | |||
| Top Noi | Kiwram | 5' 5" | 125 lbs. | 67.0" | Southpaw | 9 | 5 | 0 | ||
| Ludovit | Klein | Mr. Highlight | 5' 7" | 155 lbs. | 72.0" | Southpaw | 21 | 4 | 1 | |
| Seth | Kleinbeck | Mass Destruction | 6' 2" | 185 lbs. | -- | 8 | 4 | 0 | ||
| Stefan | Klever | -- | 185 lbs. | -- | Orthodox | 6 | 1 | 0 | ||
| Felix | Klinkhammer | 6' 0" | 170 lbs. | -- | 7 | 0 | 0 | |||
| Drakkar | Klose | 5' 9" | 155 lbs. | 70.0" | Orthodox | 14 | 2 | 1 | ||
| Michael | Knaap | Hammer | 6' 2" | 220 lbs. | -- | Orthodox | 18 | 22 | 3 | |
| Kevin | Knabjian | 5' 10" | 170 lbs. | -- | Orthodox | 12 | 7 | 1 | ||
| Jason | Knight | The Kid | 5' 10" | 145 lbs. | 71.0" | Orthodox | 20 | 5 | 0 | |
| William | Knight | Knightmare | 5' 10" | 205 lbs. | 73.0" | Orthodox | 11 | 5 | 0 | |
| Josefine | Knutsson | Thunder | 5' 3" | 115 lbs. | 60.0" | Orthodox | 7 | 0 | 0 | |
| Isao | Kobayashi | 5' 8" | 145 lbs. | -- | 21 | 4 | 4 | |||
| Kelly | Kobold | Blood Red | 5' 6" | 135 lbs. | -- | Orthodox | 19 | 3 | 1 | |
| Erik | Koch | Phoenix | 5' 10" | 170 lbs. | 71.0" | Southpaw | 16 | 6 | 0 | |
| Sokun | Koh | 6' 1" | 205 lbs. | -- | 4 | 1 | 0 | |||
| Shingo | Kohara | 5' 6" | 135 lbs. | -- | 1 | 0 | 0 | |||
| Brad | Kohler | 5' 9" | 220 lbs. | -- | Orthodox | 12 | 15 | 0 | ||
| Charlie | Kohler | 5' 9" | 155 lbs. | -- | Orthodox | 8 | 4 | 1 | ||
| Tsuyoshi | Kohsaka | TK | 5' 11" | 225 lbs. | -- | Orthodox | 27 | 19 | 2 | |
| Kaloyan | Kolev | 6' 2" | 205 lbs. | 73.0" | Orthodox | 10 | 1 | 0 | ||
| John | Kolosci | 5' 11" | 185 lbs. | -- | Orthodox | 15 | 9 | 0 | ||
| Yuki | Kondo | 5' 11" | 183 lbs. | -- | Southpaw | 60 | 33 | 9 | ||
| Syuri | Kondo | 5' 4" | 115 lbs. | 66.0" | Orthodox | 6 | 3 | 0 | ||
| Cheick | Kongo | 6' 4" | 240 lbs. | 82.0" | Orthodox | 27 | 10 | 2 | ||
| Andrei | Kopylov | 6' 2" | 265 lbs. | -- | Orthodox | 6 | 11 | 0 | ||
| Roman | Kopylov | 6' 0" | 185 lbs. | 75.0" | Southpaw | 12 | 3 | 0 | ||
| Bruno | Korea | 5' 6" | 135 lbs. | 65.0" | 7 | 3 | 0 | |||
| Andrey | Koreshkov | Spartan | 6' 0" | 170 lbs. | -- | 19 | 2 | 0 | ||
| Josh | Koscheck | 5' 10" | 170 lbs. | 73.0" | Orthodox | 17 | 11 | 0 | ||
| Steven | Koslow | Obi Won Shinobi The Pillow | 5' 7" | 125 lbs. | 69.0" | Switch | 6 | 1 | 0 | |
| Naoyuki | Kotani | 5' 8" | 155 lbs. | 66.0" | Southpaw | 34 | 14 | 7 | ||
| Ilya | Kotau | -- | 170 lbs. | -- | 1 | 2 | 0 | |||
| Iouri | Kotchkine | 6' 2" | 235 lbs. | -- | Orthodox | 7 | 4 | 1 | ||
| Matt | Kovacs | 300 | 6' 0" | 244 lbs. | -- | Orthodox | 12 | 16 | 0 | |
| Marcus | Kowal | -- | 135 lbs. | -- | 3 | 1 | 1 | |||
| Karolina | Kowalkiewicz | 5' 3" | 115 lbs. | 64.0" | Orthodox | 16 | 7 | 0 | ||
| Steve | Kozola | -- | 155 lbs. | -- | 8 | 0 | 0 | |||
| Derrick | Krantz | D-Rock | 5' 10" | 170 lbs. | 72.0" | Orthodox | 22 | 12 | 0 | |
| James | Krause | The | 6' 2" | 170 lbs. | 73.0" | Orthodox | 28 | 9 | 0 | |
| Pascal | Krauss | Panzer | 6' 1" | 170 lbs. | -- | Orthodox | 11 | 2 | 0 | |
| Rene | Kronvold | 5' 8" | 170 lbs. | -- | Orthodox | 5 | 1 | 0 | ||
| Kaynan | Kruschewsky | Bahia | 6' 0" | 155 lbs. | 73.0" | Orthodox | 15 | 2 | 0 | |
| Jorgen | Kruth | The Last Viking | 6' 2" | 205 lbs. | -- | 5 | 0 | 0 | ||
| Nikita | Krylov | The Miner | 6' 3" | 205 lbs. | 77.0" | Orthodox | 30 | 9 | 0 | |
| Mariusz | Ksiazkiewicz | The Iron Pol | 6' 3" | 185 lbs. | 75.0" | Southpaw | 8 | 1 | 0 | |
| Junya | Kudo | -- | 135 lbs. | -- | Orthodox | 10 | 7 | 2 | ||
| John | Kuhner | -- | 170 lbs. | -- | 1 | 2 | 0 | |||
| Michael | Kuiper | 6' 0" | 185 lbs. | 73.0" | Orthodox | 15 | 5 | 0 | ||
| Anton | Kuivanen | 5' 8" | 155 lbs. | 72.0" | Orthodox | 24 | 10 | 0 | ||
| Maiju | Kujala | -- | 135 lbs. | -- | 6 | 3 | 0 | |||
| Sumit | Kumar | The Indian Kid | 5' 5" | 125 lbs. | 66.0" | Orthodox | 8 | 1 | 0 | |
| Aleksei | Kunchenko | 5' 8" | 170 lbs. | 70.0" | Orthodox | 20 | 2 | 0 | ||
| Rizvan | Kuniev | 6' 4" | 240 lbs. | 76.0" | Orthodox | 11 | 2 | 1 | ||
| Keigo | Kunihara | 6' 0" | 235 lbs. | -- | Orthodox | 3 | 2 | 0 | ||
| Kiichi | Kunimoto | Strasser | 5' 10" | 170 lbs. | 71.0" | Orthodox | 18 | 7 | 2 | |
| Leo | Kuntz | The Lion | 5' 10" | 155 lbs. | -- | Orthodox | 18 | 4 | 1 | |
| Korey | Kuppe | 6' 5" | 170 lbs. | 77.0" | Switch | 8 | 4 | 0 | ||
| Ramazan | Kuramagomedov | 6' 1" | 170 lbs. | 73.0" | Orthodox | 8 | 0 | 0 | ||
| Tsuyoshi | Kurihara | 5' 10" | 185 lbs. | -- | Orthodox | 10 | 8 | 2 | ||
| Eldari | Kurtanidze | 5' 6" | 235 lbs. | -- | Orthodox | 0 | 1 | 0 | ||
| Kyle | Kurtz | -- | 170 lbs. | -- | 7 | 5 | 0 | |||
| Guram | Kutateladze | Georgian Viking | 5' 11" | 155 lbs. | 72.0" | Orthodox | 12 | 4 | 0 | |
| Lina | Kvokov | 5' 9" | 135 lbs. | -- | Orthodox | 0 | 3 | 0 | ||
| Kaleo | Kwan | Leo Boy | 5' 7" | 155 lbs. | -- | 11 | 16 | 0 | ||
| Jarrod | Kwitty | 5' 8" | 185 lbs. | -- | 2 | 2 | 0 | |||
| Mike | Kyle | MAK | 6' 4" | 205 lbs. | 77.0" | Orthodox | 22 | 14 | 1 | |
| Lisa | Kyriacou | The Savage | -- | 125 lbs. | -- | 7 | 1 | 0 |