| 2023-08-26 | UFC Fight Night: Holloway vs. The Korean Zombie | Women’s Flyweight | Erin Blanchfield def. Taila Santos | Decision (unanimous) (29–28, 29–28, 29–28) | 3 | 5:00 |
| 2022-06-12 | UFC 275: Teixeira vs. Procházka | Women’s Flyweight | Valentina Shevchenko def. Taila Santos title | Decision (split) (48–47, 47–48, 49–46) | 5 | 5:00 |
| 2021-11-20 | UFC Fight Night: Vieira vs. Tate | Women’s Flyweight | Taila Santos def. Joanne Calderwood | Submission (rear-naked choke) | 1 | 4:49 |
| 2021-09-25 | UFC 266: Volkanovski vs. Ortega | Women’s Flyweight | Taila Santos def. Roxanne Modafferi | Decision (unanimous) (30–27, 30–27, 30–27) | 3 | 5:00 |
| 2020-12-19 | UFC Fight Night: Thompson vs. Neal | Women’s Flyweight | Taila Santos def. Gillian Robertson | Decision (unanimous) (30–26, 30–26, 29–28) | 3 | 5:00 |
| 2020-07-16 | UFC on ESPN: Kattar vs. Ige | Women’s Flyweight | Taila Santos def. Molly McCann | Decision (unanimous) (30–27, 30–27, 30–26) | 3 | 5:00 |
| 2019-02-02 | UFC Fight Night: Assunção vs. Moraes 2 | Women’s Flyweight | Mara Romero Borella def. Taila Santos | Decision (split) (29–28, 28–29, 29–28) | 3 | 5:00 |