Most knockdowns
Most knockdowns scored.
UFCStats has round-by-round statistics for only 83%–95% of fights in 1994–1998. Fights without them are left out of these totals.
UFC 1 (November 1993) is not in UFCStats, so its fights are missing.
1,290 fighters.
| # | Fighter | Total |
|---|---|---|
| =787 | Jim Alers | 1 |
| =787 | Jim Wallhead | 1 |
| =787 | Joanderson Brito | 1 |
| =787 | Joanna Jedrzejczyk | 1 |
| =787 | Joe Doerksen | 1 |
| =787 | Joe Riggs | 1 |
| =787 | Joe Stevenson | 1 |
| =787 | Joel Alvarez | 1 |
| =787 | Joey Gomez | 1 |
| =787 | John Albert | 1 |
| =787 | John Marsh | 1 |
| =787 | John Yannis | 1 |
| =787 | Johnny Rhodes | 1 |
| =787 | Jonathan Micallef | 1 |
| =787 | Jonavin Webb | 1 |
| =787 | JooSang Yoo | 1 |
| =787 | Jordan Leavitt | 1 |
| =787 | Jordan Vucenic | 1 |
| =787 | Jorge Santiago | 1 |
| =787 | Joselyne Edwards | 1 |
| =787 | Joseph Holmes | 1 |
| =787 | Joseph Morales | 1 |
| =787 | Josh Barnett | 1 |
| =787 | Josh Haynes | 1 |
| =787 | Josh Neer | 1 |
| =787 | Josh Quinlan | 1 |
| =787 | Journey Newson | 1 |
| =787 | Jovan Leka | 1 |
| =787 | Julia Avila | 1 |
| =787 | Julia Polastri | 1 |
| =787 | Julian Erosa | 1 |
| =787 | Julian Marquez | 1 |
| =787 | Julius Walker | 1 |
| =787 | JunYong Park | 1 |
| =787 | Junior Albini | 1 |
| =787 | Junior Assuncao | 1 |
| =787 | Justin Buchholz | 1 |
| =787 | Justin Edwards | 1 |
| =787 | Justin Eilers | 1 |
| =787 | Justin Lawrence | 1 |
| =787 | Justin McCully | 1 |
| =787 | Justin Salas | 1 |
| =787 | Justin Scoggins | 1 |
| =787 | Justine Kish | 1 |
| =787 | Jutaro Nakao | 1 |
| =787 | KJ Noons | 1 |
| =787 | Kaan Ofli | 1 |
| =787 | Kai Kamaka III | 1 |
| =787 | Karine Silva | 1 |
| =787 | Karl Roberson | 1 |