| 2026-01-24 | UFC 324: Gaethje vs. Pimblett | Women’s Flyweight | Natália Silva def. Rose Namajunas | Decision (unanimous) (29–28, 29–28, 29–28) | 3 | 5:00 |
| 2025-06-14 | UFC on ESPN: Usman vs. Buckley | Women’s Flyweight | Rose Namajunas def. Miranda Maverick | Decision (unanimous) (30–27, 30–27, 29–28) | 3 | 5:00 |
| 2024-11-02 | UFC Fight Night: Moreno vs. Albazi | Women’s Flyweight | Erin Blanchfield def. Rose Namajunas | Decision (unanimous) (48–47, 48–47, 48–47) | 5 | 5:00 |
| 2024-07-13 | UFC on ESPN: Namajunas vs. Cortez | Women’s Flyweight | Rose Namajunas def. Tracy Cortez | Decision (unanimous) (49–46, 49–46, 48–47) | 5 | 5:00 |
| 2024-03-23 | UFC on ESPN: Ribas vs. Namajunas | Women’s Flyweight | Rose Namajunas def. Amanda Ribas | Decision (unanimous) (49–46, 49–46, 48–47) | 5 | 5:00 |
| 2023-09-02 | UFC Fight Night: Gane vs. Spivac | Women’s Flyweight | Manon Fiorot def. Rose Namajunas | Decision (unanimous) (30–27, 29–28, 29–28) | 3 | 5:00 |
| 2022-05-07 | UFC 274: Oliveira vs. Gaethje | Women’s Strawweight | Carla Esparza def. Rose Namajunas title | Decision (split) (47–48, 49–46, 48–47) | 5 | 5:00 |
| 2021-11-06 | UFC 268: Usman vs. Covington 2 | Women’s Strawweight | Rose Namajunas def. Zhang Weili title | Decision (split) (47–48, 48–47, 49–46) | 5 | 5:00 |
| 2021-04-24 | UFC 261: Usman vs. Masvidal 2 | Women’s Strawweight | Rose Namajunas def. Zhang Weili title | KO (head kick) | 1 | 1:18 |
| 2020-07-12 | UFC 251: Usman vs. Masvidal | Women’s Strawweight | Rose Namajunas def. Jéssica Andrade | Decision (split) (29–28, 28–29, 29–28) | 3 | 5:00 |
| 2019-05-11 | UFC 237: Namajunas vs. Andrade | Women’s Strawweight | Jéssica Andrade def. Rose Namajunas title | KO (slam) | 2 | 2:58 |
| 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 |
| 2017-04-15 | UFC on Fox: Johnson vs. Reis | Women’s Strawweight | Rose Namajunas def. Michelle Waterson | Submission (rear-naked choke) | 2 | 2:47 |
| 2016-07-30 | UFC 201: Lawler vs. Woodley | Women’s Strawweight | Karolina Kowalkiewicz def. Rose Namajunas | Decision (split) (28–29, 29–28, 29–28) | 3 | 5:00 |
| 2016-04-16 | UFC on Fox: Teixeira vs. Evans | Women’s Strawweight | Rose Namajunas def. Tecia Torres | Decision (unanimous) (29–28, 29–28, 29–28) | 3 | 5:00 |
| 2015-12-10 | UFC Fight Night: Namajunas vs. VanZant | Women’s Strawweight | Rose Namajunas def. Paige VanZant | Submission (rear-naked choke) | 5 | 2:25 |
| 2015-10-03 | UFC 192: Cormier vs. Gustafsson | Women’s Strawweight | Rose Namajunas def. Angela Hill | Submission (standing rear-naked choke) | 1 | 2:47 |
| 2014-12-12 | The Ultimate Fighter: A Champion Will Be Crowned Finale | Women’s Strawweight | Carla Esparza def. Rose Namajunas title | Submission (rear-naked choke) | 3 | 1:26 |