| 2022-07-09 | UFC on ESPN: dos Anjos vs. Fiziev | Women’s Flyweight | Antonina Shevchenko def. Cortney Casey | Decision (split) (29–28, 28–29, 29–28) | 3 | 5:00 |
| 2021-11-13 | UFC Fight Night: Holloway vs. Rodríguez | Catchweight | Cortney Casey def. Liana Jojua | Decision (unanimous) (30–27, 30–27, 30–27) | 3 | 5:00 |
| 2021-03-13 | UFC Fight Night: Edwards vs. Muhammad | Women’s Flyweight | JJ Aldrich def. Cortney Casey | Decision (split) (28–29, 29–28, 29–28) | 3 | 5:00 |
| 2020-06-20 | UFC on ESPN: Blaydes vs. Volkov | Women’s Flyweight | Gillian Robertson def. Cortney Casey | Submission (rear-naked choke) | 3 | 4:32 |
| 2020-05-16 | UFC on ESPN: Overeem vs. Harris | Women’s Flyweight | Cortney Casey def. Mara Romero Borella | Submission (armbar) | 1 | 3:36 |
| 2019-02-17 | UFC on ESPN: Ngannou vs. Velasquez | Women’s Strawweight | Cynthia Calvillo def. Cortney Casey | Decision (unanimous) (29–28, 29–28, 30–27) | 3 | 5:00 |
| 2018-08-25 | UFC Fight Night: Gaethje vs. Vick | Women’s Strawweight | Cortney Casey def. Angela Hill | Decision (split) (30–27, 28–29, 29–28) | 3 | 5:00 |
| 2018-04-14 | UFC on Fox: Poirier vs. Gaethje | Women’s Strawweight | Michelle Waterson def. Cortney Casey | Decision (split) (29–28, 28–29, 29–28) | 3 | 5:00 |
| 2017-12-02 | UFC 218: Holloway vs. Aldo 2 | Women’s Strawweight | Felice Herrig def. Cortney Casey | Decision (split) (29–28, 28–29, 29–28) | 3 | 5:00 |
| 2017-05-13 | UFC 211: Miocic vs. dos Santos 2 | Women’s Strawweight | Cortney Casey def. Jessica Aguilar | Decision (unanimous) (30–27, 30–27, 30–27) | 3 | 5:00 |
| 2016-11-19 | UFC Fight Night: Bader vs. Nogueira 2 | Women’s Strawweight | Cláudia Gadelha def. Cortney Casey | Decision (unanimous) (30–27, 30–27, 30–27) | 3 | 5:00 |
| 2016-08-20 | UFC 202: Diaz vs. McGregor 2 | Women’s Strawweight | Cortney Casey def. Randa Markos | Verbal Submission (armbar) | 1 | 4:34 |
| 2016-07-13 | UFC Fight Night: McDonald vs. Lineker | Women’s Strawweight | Cortney Casey def. Cristina Stanciu | TKO (elbows) | 1 | 2:36 |
| 2015-11-28 | UFC Fight Night: Henderson vs. Masvidal | Women’s Strawweight | Seo Hee Ham def. Cortney Casey | Decision (unanimous) (29–28, 29–28, 29–28) | 3 | 5:00 |
| 2015-07-18 | UFC Fight Night: Bisping vs. Leites | Women’s Strawweight | Joanne Calderwood def. Cortney Casey | Decision (unanimous) (30–27, 29–28, 30–27) | 3 | 5:00 |