Fighters — U
17 tracked fighters starting with U.
- Ubay Gonzalez4-3-0 · Bantamweight · WOW
- Ueslei Alves1-1-0 · Welterweight · LFA
- Ugo-Antton Vidal1-0-0 · Featherweight · HXMMA
- Ulka Sasaki24-10-2 · Featherweight · RFF
- Ulysse Ndong3-2-0 · Lightweight · AFC
- Ulysses Gomez9-5-0 · Flyweight · RFA
- Umakhan Ibragimov11-2-0 · Lightweight · WOW
- Umalat Israpilov19-3-0 · Flyweight · ACA
- Umar Dzambekov14-0-0 · Light Heavyweight · BOXING
- Umar Kasymov0-0-0 · Featherweight · BTC
- Umar Nurmagomedov20-2-0 · Bantamweight · UFC
- Uran Satybaldiev9-1-0 · Light Heavyweight · UFC
- Uriah Hall17-11-0 · Middleweight · UFC
- Urijah Faber35-11-0 · Bantamweight · UFC
- Uros Medic14-3-0 · Welterweight · UFC
- Usman Nurmagomedov22-0-0 · Lightweight · PFL
- Uzair Abdurakov20-4-1 · Middleweight · ACA