| Fighter | Nickname | Height | Weight | Association | |
 |
Kason Charlton | 0'0" (0 m) |
275 lbs (124.74 kg) |
||
|
Keefer Bender | 0'0" (0 m) |
315 lbs (142.88 kg) |
||
|
Keith Shepherd | 0'0" (0 m) |
280 lbs (127.01 kg) |
||
|
Kekaula Hussey | 0'0" (0 m) |
383 lbs (173.73 kg) |
||
|
Kelvin Tiller | "The Mama's Boy" | 6'0" (1.83 m) |
270 lbs (122.47 kg) |
Midwest Combat Academy |
|
Kenny Zabel | 5'11" (1.8 m) |
392 lbs (177.81 kg) |
Goliath Fight Team | |
|
Kentzin Santos | "Mr. Aloha" | 0'0" (0 m) |
272 lbs (123.38 kg) |
Killabeez MMA |
|
Kevin Birdshead | 0'0" (0 m) |
292 lbs (132.45 kg) |
||
|
Kevin Cekic | 0'0" (0 m) |
350 lbs (158.76 kg) |
Thaiboxing MMA Salzburg | |
|
Kevin Casey | 6'0" (1.83 m) |
269 lbs (122.02 kg) |
||
|
Khamzat Taisumov | 0'0" (0 m) |
280 lbs (127.01 kg) |
||
|
Kiminori Ariyama | "Itomo" | 5'8" (1.73 m) |
319 lbs (144.7 kg) |
|
|
Kintaro Tsurukame | 0'0" (0 m) |
330 lbs (149.69 kg) |
||
|
Knut-Marius Sjastad | 0'0" (0 m) |
300 lbs (136.08 kg) |
||
|
Koji Kitao | "Mitsuharu" | 6'7" (2.01 m) |
390 lbs (176.9 kg) |
New Japan Pro Wrestling |
|
Koltan Brock | 0'0" (0 m) |
270 lbs (122.47 kg) |
Impact Fitness | |
|
Kora Maea | "The Wedding Singer" | 6'1" (1.85 m) |
281 lbs (127.46 kg) |
Kimekai |
|
Kosaku Shikimasu | "Iro Zeki" | 5'10" (1.78 m) |
286 lbs (129.73 kg) |
Freelance |
|
Kwan Bum Lee | 6'2" (1.88 m) |
286 lbs (129.73 kg) |
||
|
Kyle Traylor | 5'10" (1.78 m) |
280 lbs (127.01 kg) |
||
