Born on August 18th 1987, Joanna Jędrzejczyk is a Polish mixed martial artist who currently competes in the women's flyweight and strawweight division of the UFC. She is a former UFC Women's Strawweight Champion and is currently ranked #5 in the UFC women's strawweight rankings.
Jędrzejczyk started learning the art of Muay Thai when she was 16 and eventually went on to compete in national as well as continental tournaments. She competed in Muay Thai for more than a decade, ending up winning over 60 matches. Jędrzejczyk made her professional MMA debut on May 19, 2012, at SFT - MMA Fight Night Diva SPA against Sylwia Juskiewicz. She won the fight via unanimous decision.
In her first title bout, Jędrzejczyk went up against Carla Esparza for the UFC Strawweight Championship at UFC 185 in 2015 and won spectacular fashion via TKO in the second round. With the victory, Joanna became the first UFC title-holder from Poland and first female European UFC champion.
Jędrzejczyk's defended her title for the first time against Jessica Penne on June 20, 2015, at UFC Fight Night: Jędrzejczyk vs. Penne in Berlin, Germany where she successfully defended the title by finishing Penne in the third round via TKO.
In her second title defense, Jędrzejczyk squared off against Valérie Létourneau on November 15, 2015, in the co-main event at UFC 193 and won the fight by unanimous decision to retain her title.
In her third title defence, the former strawweight champ faced Claudia Gadelha at The Ultimate Fighter 23 Finale in the MGM Grand Garden Arena in Las Vegas, Nevada where she defended her title for the third time in a row by clinching the fight via unanimous decision.
Joanna successfully defended her title for the fourth and fifth time on the trot when she beat Karolina Kowalkiewicz and Jéssica Andrade at UFC 205 and UFC 211 respectively. She won both the fights via unanimous decision.
Jędrzejczyk faced off against lethal striker Rose Namajunas at UFC 217 at Madison Square Garden in New York on November 4, 2017. She ended up losing the bout via TKO in the first round. This was the first time Joanna had ever lost in a mixed martial arts competition.
Rose and Jędrzejczyk met again in a rematch of their earlier title fight on April 7, 2018, at UFC 223 where Rose got the better of Joanna again, managing to retain the title via unanimous decision.
Jędrzejczyk fought Valentina Shevchenko in a flyweight title bout at UFC 231 and ended up losing the fight via unanimous decision.
Joanna bloodied and battered Waterson in a swashbuckling main event encounter at UFC Fight Night 161 inside Amalie Arena in Tampa, Florida. After five gruelling rounds, Joanna picked up the victory via unanimous decision.
Here are the stats of Joanna Jedrzejczyk:
| Matches | Wins | Losses | Draws |
| 18 | 15 | 3 | 0 |
Given below is the MMA record of Joanna Jedrzejczyk:
| Result | Record | Opponent | Method | Event | Date |
| Loss | 15–3 | Valentina Shevchenko | Decision (unanimous) | UFC 231 | December 8, 2018 |
| Win | 15–2 | Tecia Torres | Decision (unanimous) | UFC on Fox: Alvarez vs. Poirier 2 | July 28, 2018 |
| Loss | 14–2 | Rose Namajunas | Decision (unanimous) | UFC 223 | April 7, 2018 |
| Loss | 14–1 | Rose Namajunas | TKO (punches) | UFC 217 | November 4, 2017 |
| Win | 14–0 | Jéssica Andrade | Decision (unanimous) | UFC 211 | May 13, 2017 |
| Win | 13–0 | Karolina Kowalkiewicz | Decision (unanimous) | UFC 205 | November 12, 2016 |
| Win | 12–0 | Cláudia Gadelha | Decision (unanimous) | The Ultimate Fighter: Team Joanna vs. Team Cláudia Finale | July 8, 2016 |
| Win | 11–0 | Valérie Létourneau | Decision (unanimous) | UFC 193 | November 15, 2015 |
| Win | 10–0 | Jessica Penne | TKO (punches and knee) | UFC Fight Night: Jędrzejczyk vs. Penne | June 20, 2015 |
| Win | 9–0 | Carla Esparza | TKO (punches) | UFC 185 | March 14, 2015 |
| Win | 8–0 | Cláudia Gadelha | Decision (split) | UFC on Fox: dos Santos vs. Miocic | December 13, 2014 |
| Win | 7–0 | Juliana Lima | Decision (unanimous) | UFC on Fox: Lawler vs. Brown | July 26, 2014 |
| Win | 6–0 | Rosi Sexton | KO (punch) | CWFC 69: Super Saturday | June 7, 2014 |
| Win | 5–0 | Karla Benitez | Decision (unanimous) | WAM: Fabinski vs. Herb | May 9, 2014 |
| Win | 4–0 | Julia Berezikova | Decision (unanimous) | Fight Nights: Battle of Moscow 12 | June 20, 2013 |
| Win | 3–0 | Kate Jackson | TKO (doctor stoppage) | PLMMA 17 Extra: Warmia Heroes | May 18, 2013 |
| Win | 2–0 | Lily Kazak | Submission (rear-naked choke) | Makowski FC 5 | December 8, 2012 |
| Win | 1–0 | Sylwia Juśkiewicz | Decision (unanimous) | SFT: MMA Diva Fight Night SPA | May 19, 2012 |
Joanna Jedrzejczyk was the fiance of former Polish football player Przemysław Buta. In an interview in 2019, she confirmed that she is no longer engaged to Buta.
As of 2019, the net worth of Joanna Jedrzejczyk is $5 million. Most part of her earning are from MMA and UFC.
