Katlyn CerminaraBlonde Fighter
Women's flyweightFighters
Katlyn CerminaraBlonde FighterWomen's flyweight
Ketlen SouzaEsquentadinha
Women's strawweight
Kevin PeaseLightweight9-0-0
Khaos WilliamsThe OxFighterWelterweightKhyzer Hayat
King GreenKingLightweightKonrad Delekta9-1-0
Kristjan Tõniste5-2-0
Krzysztof Głowacki3-2-0, 2 NC
Krzysztof WłodarczykDiabloKy HodgsonSuper welterweight7-1-0
Kyle Cassidy
Welterweight
Kyle DaukausMiddleweight
Kyle NelsonThe Monster
LightweightLeigh CohoonThe BoomMiddleweightLeo AtangHeavyweight8-0-0
Leon ShahbazyanS.o.g.WelterweightLevan KhabalaevLightweight6-0-0Lewis RumseyThe BeastLex LudlowThe Grizzly BearCruiserweight4-1-0Liam DooleyWelterweightLiz CarmoucheWomen's flyweight26-9-0
Loopy Godinez
Women's strawweight
Louis JourdainThe Mad PrinceBantamweight