Most KO/TKO wins: since 2001
Most wins by knockout or technical knockout.
1,135 fighters.
| # | Fighter | Total |
|---|---|---|
| =627 | Jesus Aguilar | 1 |
| =627 | Jhonata Diniz | 1 |
| =627 | Ji Yeon Kim | 1 |
| =627 | Jimmie Rivera | 1 |
| =627 | Joachim Christensen | 1 |
| =627 | Joanne Wood | 1 |
| =627 | Joe Duffy | 1 |
| =627 | John Albert | 1 |
| =627 | John Castaneda | 1 |
| =627 | John Cholish | 1 |
| =627 | John Hathaway | 1 |
| =627 | John Phillips | 1 |
| =627 | John Salter | 1 |
| =627 | John Yannis | 1 |
| =627 | Johnny Case | 1 |
| =627 | Jon Fitch | 1 |
| =627 | Jon Madsen | 1 |
| =627 | Jon Tuck | 1 |
| =627 | Jonathan Brookins | 1 |
| =627 | Jonathan Wiezorek | 1 |
| =627 | Jonathan Wilson | 1 |
| =627 | Jonny Parsons | 1 |
| =627 | JooSang Yoo | 1 |
| =627 | Jorge Santiago | 1 |
| =627 | Jose Ochoa | 1 |
| =627 | Jose Torres | 1 |
| =627 | Josh Neer | 1 |
| =627 | Josh Parisian | 1 |
| =627 | Josh Quinlan | 1 |
| =627 | Joshua Burkman | 1 |
| =627 | Josiane Nunes | 1 |
| =627 | Jovan Leka | 1 |
| =627 | Juan Adams | 1 |
| =627 | Julia Avila | 1 |
| =627 | Juliana Miller | 1 |
| =627 | Junior Albini | 1 |
| =627 | Justin Eilers | 1 |
| =627 | Justin Jaynes | 1 |
| =627 | Justin Lawrence | 1 |
| =627 | Justin Salas | 1 |
| =627 | Justin Scoggins | 1 |
| =627 | Justin Willis | 1 |
| =627 | Jutaro Nakao | 1 |
| =627 | KJ Noons | 1 |
| =627 | Kajan Johnson | 1 |
| =627 | Karlos Vemola | 1 |
| =627 | Karo Parisyan | 1 |
| =627 | Keiichiro Nakamura | 1 |
| =627 | Ken Shamrock | 1 |
| =627 | Kenny Robertson | 1 |