| First | Last | Nickname | Ht. | Wt. | Reach | Stance | W | L | D | Belt |
|---|---|---|---|---|---|---|---|---|---|---|
| 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 |