Fighters: Y
Last names starting with Y, including retired fighters.
- Song Yadong “Kung Fu Kid”24-9-1 (1 NC)Bantamweight
- Jamie Yager “The Chosyn 1”0-1-0Middleweight
- Eddie Yagin “The Filipino Phenom”1-1-0Featherweight
- Mohammad Yahya “The UAE Warrior”0-3-0Featherweight
- Rani Yahya28-12-1 (1 NC)Bantamweight
- Abdul Rakhman Yakhyaev “The Hunter”3-0-0Light Heavyweight
- Alexander Yakovlev “Russian Thunder”25-13-1Lightweight
- Keiichiro Yamamiya45-35-10Middleweight
- Kenichi Yamamoto5-12-2Welterweight
- Norifumi Yamamoto “Kid”18-6-0 (2 NC)Bantamweight
- Petr Yan “No Mercy”20-5-0Bantamweight
- Wu Yanan “Mulan”13-7-0Women's Bantamweight
- Adam Yandiev “Boroda”0-1-0Middleweight
- Adrian Yanez18-6-1Bantamweight
- Dongi Yang “The Ox”14-4-0Middleweight
- Jianping Yang0-1-0Featherweight
- John Yannis1-2-0Bantamweight
- Masutatsu Yano2-4-1Open Weight
- Hu Yaozong “Totoro”5-4-0Middleweight
- Emmanuel Yarborough0-1-0Open Weight
- Cale Yarbrough0-1-0Middleweight
- Yizha1-3-0Featherweight
- Ashley Yoder “SpiderMonkey”9-11-0Women's Strawweight
- JooSang Yoo “Zombie Jr.”1-2-0Featherweight
- Yoshiyuki Yoshida “Zenko”18-9-0Welterweight
- SuYoung You “Yoo-Jitsu”4-1-0Bantamweight
- Gauge Young “Gee Money”2-2-0Lightweight
- Jason Young “Shotgun”9-6-0Featherweight
- Shane Young “Smokin'”13-8-0Featherweight
- Shanna Young “The Shanimal”11-9-0Women's Flyweight
- Besam Yousef0-2-0Welterweight
- Rob Yundt “Monster”0-2-0Middleweight
- Sodiq Yusuff “Super”13-5-0Lightweight
- Gilbert Yvel “The Hurricane”40-16-1 (1 NC)Heavyweight