Mizuki Inoue

, known mononymously as , As of August 8, 2026, she is #10 in the Meta UFC women's strawweight rankings.

On , Inoue became the 2012 Shoot Boxing Girls S-Cup 53.5-kilogram tournament champion. She repeated this feat on .

Background Inoue was born on in Aichi Prefecture, Japan. She started training karate in fourth grade when she accompanied her brother to his karate lesson. A year later, Inoue joined Hakushinkai Karate and also began training mixed martial arts (MMA). At 11 years old, Inoue met her karate and current main coach, Sadanori Yamaguchi, who is also the head of Hakushinkai Karate in Toyohashi, Aichi. He was the one who encouraged her to start MMA as he himself became interested in MMA after watching fellow karateka Minoki Ichihara, a Daido Juku champion, fall to Royce Gracie during UFC 2. At 15 years old, Inoue debuted professionally in shoot boxing prior to MMA due to believing that she had to be 18 years old to compete in MMA.

Kickboxing and shoot boxing career After several amateur bouts in kickboxing, Inoue made her debut in professional combat sports in shoot boxing on at Shoot Boxing Osaka 2010 Alpinisme: "Young Caesar vol. 2". She faced Kanako Oka and was defeated by majority decision.

Inoue next competed at the kickboxing event J-Girls Catch The Stone 9 on , where Inoue, in an upset, defeated Emi Fujino via unanimous decision after three rounds. At this event, Inoue began using the ring name Mizuki instead of her real name, which she used in her previous amateur kickboxing bouts.

Despite having professional matches already, at the event Krush.9 on , Inoue, for the last time, had an amateur rules match against Kanako Taniyama, losing against Taniyama via majority decision after two rounds.

Returning to professional competition, on at J-Girls Catch The Stone 10, Inoue defeated Anna Saito by unanimous decision after three rounds.

Inoue faced Nozomi Satake in the opening round of the 2011 J-Girls bantamweight tournament at J-Girls Catch The Stone 12 on . She defeated Satake by majority decision.

Inoue faced Madoka Jinnai in the J-Girls bantamweight tournament semi-final round at J-Girls Catch The Stone 13 on . She defeated Jinnai by unanimous decision after one extension round.

Inoue faced Natsuka in a shoot boxing match at Jewels 14th Ring on . She defeated Natsuka by unanimous decision.

Inoue suffered her first professional loss in a kickboxing rules match at J-Girls 2011: Born This Way 2nd on when she was defeated by Yukino Oishi via majority decision in the J-Girls bantamweight tournament final.

At Shoot Boxing 2012: Road To S-Cup, Act.1 on , Inoue faced Shoot Boxing Japan women's flyweight champion Ai Takahashi. In an upset, Inoue defeated Takahashi by unanimous decision after one extension round.

Inoue faced Mina at Shoot Boxing 2012: Road To S-Cup, Act.2 on . She won the fight by referee stoppage in the third round to advance to the Shoot Boxing Girls S-Cup 53.5 tournament final.

Inoue faced Ai Takahashi once again in the 2012 Shoot Boxing Girls S-Cup 53.5 tournament final on . She defeated Takahashi by unanimous decision after six rounds to become the first Shoot Boxing Girls S-Cup 53.5 champion. She defeated Izumi Noguchi, Miyo Yoshida and Ai Takahashi in one night to become the 2013 Shoot Boxing Girls S-Cup 53.5 champion. She defeated Suzuki by technical submission due to an armbar in just 56 seconds.

Inoue faced Rikako Yuasa in a grappling match at Deep Jewels 1 on . She was defeated by unanimous decision.

Mixed martial arts career

Jewels At just 16 years old, Inoue debuted in MMA at Jewels 10th Ring on during the 2010 Rough Stone Grand Prix -56 kg tournament, submitting the more mature Abe Ani Combat Club member Emi Murata with an armbar in the second round.

On at Jewels 11th Ring, Inoue defeated the more experienced Asako Saioka via technical submission (referee stoppage, armbar) to win the 2010 Rough Stone GP -56 kg tournament.

Inoue faced Jewels champion Ayaka Hamasaki in a non-title bout at Jewels 16th Ring on in Tokyo. She was defeated by unanimous decision.

Inoue returned to Jewels to face Australian fighter Alex Chambers at Jewels 18th Ring on . She defeated Chambers by submission due to an armbar in the first round.

On , Inoue faced Hyo Kyung Song at Jewels 22nd Ring. She defeated Song by submission due to an armbar in the second round.

Inoue was next scheduled to face Mi-Jeon Chan at Jewels 23rd Ring on . However, Chan suffered an injury and Inoue instead faced Seo Ye Jung. She defeated Jung by submission due to a rear-naked choke in the first round.

Inoue made her North American debut against Bec Hyatt at Invicta FC 6: Coenen vs. Cyborg on . Inoue won the fight via unanimous decision.

In a rematch at Deep Jewels 2 on , Inoue faced Emi Fujino in the opening round of the Deep Jewels lightweight title tournament. She won the fight by unanimous decision.

On , Inoue faced Emi Tomimatsu to determine the inaugural Deep Jewels lightweight champion. Mizuki Inoue finished the match at 3:57 of the 3rd round via armbar, but was disqualified for not being able to make weight. Emi Tomimatsu was crowned the new champion.

Invicta Fighting Championship

Inoue was scheduled to face Milana Dudieva on March 24, 2018, at Invicta FC 28: Morandin vs. Jandiroba, however Morandin pulled out of the fight with Jandiroba, allowing Mizuki to step up into the main event which was for the vacant Invicta FC strawweight championship which she lost via split decision.

Inoue was scheduled to face Heather Jo Clark on November 16, 2018, at Invicta FC 32: Spencer vs. Sorenson. It was reported that Clark pulled out from the event and she was replaced by Viviane Pereira. At the weigh-ins, Inoue weighed in at 116.4 pounds, 0.4 pound over the strawweight non-title fight limit of 116. She was fined 25 percent of her purse, which went to her opponents Pereira and the fight proceeded to a catchweight bout. Inoue won the fight via unanimous decision.

Ultimate Fighting Championship

Inoue faced Yanan Wu, replacing Luana Carolina, on August 31, 2019, at UFC on ESPN+ 15. At the weigh-ins, Wu weighed in at 128 lbs, two pounds over the non-title fight limit. Wu was fined 30% of her purse to Inoue and the bout proceeded at catchweight. Mizuki won the fight via split decision.

Inoue was scheduled to face Tecia Torres on March 28, 2020, at UFC on ESPN: Ngannou vs. Rozenstruik. Due to the COVID-19 pandemic, the event was eventually postponed.

Inoue faced Amanda Lemos August 22, 2020 at UFC on ESPN 15. She lost the fight via unanimous decision.

In November 2020, Inoue underwent surgery to repair an anterior cruciate ligament injury.

After three years off due to injury, Inoue faced Hannah Goldy on September 23, 2023, at UFC Fight Night 228. She won the fight via unanimous decision.

After a two-year layoff, Inoue faced Jaqueline Amorim on October 25, 2025 at UFC 321. She won the fight by unanimous decision.

Championships and accomplishments

Mixed martial arts

Invicta Fighting Championships Fight of the Night (Two times) vs. Karolina Kowalkiewicz and Alexa Grasso DEEP Jewels Strawweight Champion (One time; current) 2010 Jewels Rough Stone Grand Prix 56 kg tournament winner MMAJunkie.com 2015 February Fight of the Month vs. Alexa Grasso

Shoot boxing

Girls S-Cup 2012 Shoot Boxing Girls S-Cup 53.5 kg tournament winner 2013 Shoot Boxing Girls S-Cup 53.5 kg tournament winner

Mixed martial arts record Win

Jaqueline Amorim Decision (unanimous) UFC 321

Abu Dhabi, United Arab Emirates Win

Hannah Goldy Decision (unanimous) UFC Fight Night: Fiziev vs. Gamrot

Las Vegas, Nevada, United States Loss

Amanda Lemos Decision (unanimous) UFC on ESPN: Munhoz vs. Edgar

Las Vegas, Nevada, United States Win

Wu Yanan Decision (split) UFC Fight Night: Andrade vs. Zhang

Shenzhen, China Win

Viviane Pereira Decision (unanimous) Invicta FC 32

Shawnee, Oklahoma, United States Loss

Virna Jandiroba Decision (split) Invicta FC 28

Salt Lake City, Utah, United States Win

Lynn Alvarez Submission (armbar) Invicta FC 18

Kansas City, Missouri, United States Win

Nori Date Submission (armbar) DEEP: Jewels 11

Tokyo, Japan Win

Lacey Schuckman Submission (armbar) Invicta FC 15

Costa Mesa, California, United States Win

Emi Fujino Decision (unanimous) DEEP: Jewels 9

Tokyo, Japan Loss

Alexa Grasso Decision (unanimous) Invicta FC 11

Los Angeles, California, United States Loss

Karolina Kowalkiewicz Decision (split) Invicta FC 9

Davenport, Iowa, United States Win

Emi Tomimatsu Submission (armbar) DEEP: Jewels 5

Tokyo, Japan Loss

Emi Tomimatsu DQ (overturned) DEEP: Jewels 3

Tokyo, Japan Win

Emi Fujino Decision (unanimous) DEEP: Jewels 2

Tokyo, Japan Win

Bec Rawlings Decision (unanimous) Invicta FC 6

Kansas City, Missouri, United States Win

Seo Ye Jung Submission (rear-naked choke) Jewels 23rd Ring

Tokyo, Japan Win

Hyo Kyung Song Submission (armbar) Jewels 22nd Ring

Tokyo, Japan Win

Alex Chambers Submission (armbar) Jewels 18th Ring

Tokyo, Japan Loss

Ayaka Hamasaki Decision (unanimous) Jewels 16th Ring

Tokyo, Japan Win

Asako Saioka Technical submission (armbar) Jewels 11th Ring

Tokyo, Japan Win

Emi Murata Submission (armbar) Jewels 10th Ring

Tokyo, Japan Kickboxing and shoot boxing record 13 fights, 11 wins, 2 losses Result Record Opponent Method Event Date Round Time Location Notes Win 11–2 Ai Takahashi Decision (unanimous) 2013 Shoot Boxing Girls S-Cup 3 2:00 Tokyo, Japan Win 10–2 Miyo Yoshida Decision (unanimous) 2013 Shoot Boxing Girls S-Cup 3 2:00 Tokyo, Japan Win 9–2 Izumi Noguchi Decision (unanimous) 2013 Shoot Boxing Girls S-Cup 3 2:00 Tokyo, Japan Win 8–2 Ai Takahashi Decision (unanimous) 2012 Shoot Boxing Girls S-Cup 5+1 3:00 Tokyo, Japan Win 7–2 Mina TKO (referee stoppage) Shoot Boxing 2012: Road To S-Cup, Act.2 3 1:01 Tokyo, Japan Win 6–2 Ai Takahashi Decision (unanimous) Shoot Boxing 2012: Road To S-Cup, Act.1 3+1 3:00 Tokyo, Japan Loss 5–2 Yukino Oishi Decision (majority) J-Girls 2011: Born This Way 2nd 3 2:00 Tokyo, Japan Win 5–1 Natsuka Decision (unanimous) Jewels 14th Ring 3 2:00 Tokyo, Japan Win 4–1 Madoka Jinnai Decision (unanimous) J-Girls: Catch The Stone 13 3+1 2:00 Tokyo, Japan Win 3–1 Nozomi Satake Decision (majority) J-Girls: Catch The Stone 12 3 2:00 Tokyo, Japan Win 2–1 Anna Saito Decision (unanimous) J-Girls: Catch The Stone 10 3 2:00 Tokyo, Japan Win 1–1 Emi Fujino Decision (unanimous) J-Girls: Catch The Stone 9 3 2:00 Tokyo, Japan Loss 0–1 Kanako Oka Decision (majority) Shoot Boxing Osaka 2010 Alpinisme: "Young Caesar vol. 2" 3 2:00 Osaka, Japan

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