| 2022-06-12 | UFC 275: Teixeira vs. Procházka | Women’s Strawweight | Zhang Weili def. Joanna Jędrzejczyk | KO (spinning backfist) | 2 | 2:28 |
| 2020-03-07 | UFC 248: Adesanya vs. Romero | Women’s Strawweight | Zhang Weili def. Joanna Jędrzejczyk title | Decision (split) (48–47, 47–48, 48–47) | 5 | 5:00 |
| 2019-10-12 | UFC Fight Night: Joanna vs. Waterson | Women’s Strawweight | Joanna Jędrzejczyk def. Michelle Waterson | Decision (unanimous) (50–45, 50–45, 49–46) | 5 | 5:00 |
| 2018-12-08 | UFC 231: Holloway vs. Ortega | Women’s Flyweight | Valentina Shevchenko def. Joanna Jędrzejczyk title | Decision (unanimous) (49–46, 49–46, 49–46) | 5 | 5:00 |
| 2018-07-28 | UFC on Fox: Alvarez vs. Poirier 2 | Women’s Strawweight | Joanna Jędrzejczyk def. Tecia Torres | Decision (unanimous) (30–27, 30–27, 30–27) | 3 | 5:00 |
| 2018-04-07 | UFC 223: Khabib vs. Iaquinta | Women’s Strawweight | Rose Namajunas def. Joanna Jędrzejczyk title | Decision (unanimous) (49–46, 49–46, 49–46) | 5 | 5:00 |
| 2017-11-04 | UFC 217: Bisping vs. St-Pierre | Women’s Strawweight | Rose Namajunas def. Joanna Jędrzejczyk title | TKO (punches) | 1 | 3:03 |
| 2017-05-13 | UFC 211: Miocic vs. dos Santos 2 | Women’s Strawweight | Joanna Jędrzejczyk def. Jéssica Andrade title | Decision (unanimous) (50–45, 50–44, 50–45) | 5 | 5:00 |
| 2016-11-12 | UFC 205: Alvarez vs. McGregor | Women’s Strawweight | Joanna Jędrzejczyk def. Karolina Kowalkiewicz title | Decision (unanimous) (49–46, 49–46, 49–46) | 5 | 5:00 |
| 2016-07-08 | The Ultimate Fighter: Team Joanna vs. Team Cláudia Finale | Women’s Strawweight | Joanna Jędrzejczyk def. Cláudia Gadelha title | Decision (unanimous) (48–46, 48–45, 48–46) | 5 | 5:00 |
| 2015-11-15 | UFC 193: Rousey vs. Holm | Women’s Strawweight | Joanna Jędrzejczyk def. Valérie Létourneau title | Decision (unanimous) (49–46, 49–46, 50–45) | 5 | 5:00 |
| 2015-06-20 | UFC Fight Night: Jędrzejczyk vs. Penne | Women’s Strawweight | Joanna Jędrzejczyk def. Jessica Penne title | TKO (punches and knee) | 3 | 4:22 |
| 2015-03-14 | UFC 185: Pettis vs. dos Anjos | Women’s Strawweight | Joanna Jędrzejczyk def. Carla Esparza title | TKO (punches) | 2 | 4:17 |
| 2014-12-13 | UFC on Fox: dos Santos vs. Miocic | Women’s Strawweight | Joanna Jędrzejczyk def. Cláudia Gadelha | Decision (split) (29–28, 28–29, 29–28) | 3 | 5:00 |
| 2014-07-26 | UFC on Fox: Lawler vs. Brown | Catchweight | Joanna Jędrzejczyk def. Juliana Lima | Decision (unanimous) (30–27, 29–28, 30–27) | 3 | 5:00 |