| 2026-09-12 | UFC Fight Night: Silva vs. Delgado | Women’s Flyweight | Regina Tarin def. JJ Aldrich | Decision (unanimous) (29–28, 29–28, 29–28) | 3 | 5:00 |
| 2026-04-18 | UFC Fight Night: Burns vs. Malott | Women’s Flyweight | JJ Aldrich def. Jamey-Lyn Horth | Decision (unanimous) (29–28, 29–28, 29–28) | 3 | 5:00 |
| 2025-03-01 | UFC Fight Night: Kape vs. Almabayev | Women’s Flyweight | JJ Aldrich def. Andrea Lee | Decision (unanimous) (30–27, 30–27, 29–28) | 3 | 5:00 |
| 2024-05-11 | UFC on ESPN: Lewis vs. Nascimento | Women’s Flyweight | Veronica Macedo def. JJ Aldrich | Decision (unanimous) (29–28, 29–28, 29–28) | 3 | 5:00 |
| 2023-10-07 | UFC Fight Night: Dawson vs. Green | Women’s Flyweight | JJ Aldrich def. Montana De La Rosa | Decision (unanimous) (30–27, 30–27, 30–27) | 3 | 5:00 |
| 2023-08-26 | UFC Fight Night: Holloway vs. The Korean Zombie | Women’s Flyweight | JJ Aldrich def. Liang Na | TKO (punches and elbows) | 2 | 4:49 |
| 2023-03-11 | UFC Fight Night: Yan vs. Dvalishvili | Women’s Flyweight | Ariane Lipski def. JJ Aldrich | Decision (unanimous) (30–27, 30–27, 30–27) | 3 | 5:00 |
| 2022-06-04 | UFC Fight Night: Volkov vs. Rozenstruik | Women’s Flyweight | Erin Blanchfield def. JJ Aldrich | Submission (guillotine choke) | 2 | 2:38 |
| 2022-03-12 | UFC Fight Night: Santos vs. Ankalaev | Women’s Flyweight | JJ Aldrich def. Gillian Robertson | Decision (unanimous) (30–27, 30–27, 30–27) | 3 | 5:00 |
| 2021-08-28 | UFC on ESPN: Barboza vs. Chikadze | Women’s Flyweight | JJ Aldrich def. Vanessa Demopoulos | 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 |
| 2020-01-18 | UFC 246: McGregor vs. Cowboy | Women’s Flyweight | Sabina Mazo def. JJ Aldrich | Decision (split) (28–29, 29–28, 29–28) | 3 | 5:00 |
| 2019-10-12 | UFC Fight Night: Joanna vs. Waterson | Women’s Flyweight | JJ Aldrich def. Lauren Mueller | Decision (unanimous) (30–27, 29–28, 29–28) | 3 | 5:00 |
| 2019-03-23 | UFC Fight Night: Thompson vs. Pettis | Women’s Flyweight | Maycee Barber def. JJ Aldrich | TKO (knee and punches) | 2 | 3:01 |
| 2018-08-04 | UFC 227: Dillashaw vs. Garbrandt 2 | Women’s Strawweight | JJ Aldrich def. Polyana Viana | Decision (unanimous) (29–28, 29–28, 29–27) | 3 | 5:00 |
| 2018-01-14 | UFC Fight Night: Stephens vs. Choi | Women’s Strawweight | JJ Aldrich def. Danielle Taylor | Decision (unanimous) (29–28, 29–28, 29–28) | 3 | 5:00 |
| 2017-06-11 | UFC Fight Night: Lewis vs. Hunt | Catchweight | JJ Aldrich def. Chan-Mi Jeon | Decision (unanimous) (30–27, 30–27, 30–27) | 3 | 5:00 |
| 2016-12-09 | UFC Fight Night: Lewis vs. Abdurakhimov | Women’s Strawweight | Juliana Lima def. JJ Aldrich | Decision (unanimous) (30–27, 30–27, 30–27) | 3 | 5:00 |