| 2026-08-08 | UFC Fight Night: Gamrot vs. Salkilld | Women’s Strawweight | Alexia Thainara def. Amanda Lemos | Decision (unanimous) (29–28, 29–28, 30–27) | 3 | 5:00 |
| 2026-03-14 | UFC Fight Night: Emmett vs. Vallejos | Women’s Strawweight | Gillian Robertson def. Amanda Lemos | Decision (unanimous) (29–28, 29–28, 29–28) | 3 | 5:00 |
| 2025-09-13 | UFC Fight Night: Lopes vs. Silva | Women’s Strawweight | Tatiana Suarez def. Amanda Lemos | Decision (unanimous) (29–28, 29–28, 29–28) | 3 | 5:00 |
| 2025-03-08 | UFC 313: Pereira vs. Ankalaev | Women’s Strawweight | Amanda Lemos def. Iasmin Lucindo | Decision (unanimous) (29–28, 29–28, 29–28) | 3 | 5:00 |
| 2024-07-20 | UFC on ESPN: Lemos vs. Jandiroba | Women’s Strawweight | Virna Jandiroba def. Amanda Lemos | Submission (armbar) | 2 | 4:48 |
| 2024-02-17 | UFC 298: Volkanovski vs. Topuria | Women’s Strawweight | Amanda Lemos def. Mackenzie Dern | Decision (unanimous) (29–28, 29–28, 29–28) | 3 | 5:00 |
| 2023-08-19 | UFC 292: Sterling vs. O'Malley | Women’s Strawweight | Zhang Weili def. Amanda Lemos title | Decision (unanimous) (50–43, 50–44, 49–45) | 5 | 5:00 |
| 2022-11-05 | UFC Fight Night: Rodriguez vs. Lemos | Women’s Strawweight | Amanda Lemos def. Marina Rodriguez | TKO (punches) | 3 | 0:54 |
| 2022-07-16 | UFC on ABC: Ortega vs. Rodríguez | Women’s Strawweight | Amanda Lemos def. Michelle Waterson | Submission (guillotine choke) | 2 | 1:48 |
| 2022-04-23 | UFC Fight Night: Lemos vs. Andrade | Women’s Strawweight | Jéssica Andrade def. Amanda Lemos | Submission (standing arm-triangle choke) | 1 | 3:13 |
| 2021-12-18 | UFC Fight Night: Lewis vs. Daukaus | Women’s Strawweight | Amanda Lemos def. Angela Hill | Decision (split) (28–29, 30–27, 29–28) | 3 | 5:00 |
| 2021-07-17 | UFC on ESPN: Makhachev vs. Moisés | Women’s Strawweight | Amanda Lemos def. Montserrat Ruiz | TKO (punches) | 1 | 0:35 |
| 2021-03-06 | UFC 259: Błachowicz vs. Adesanya | Women’s Strawweight | Amanda Lemos def. Lívia Renata Souza | TKO (punches) | 1 | 3:39 |
| 2020-08-22 | UFC on ESPN: Munhoz vs. Edgar | Women’s Strawweight | Amanda Lemos def. Mizuki Inoue | Decision (unanimous) (30–27, 30–27, 30–27) | 3 | 5:00 |
| 2019-12-21 | UFC Fight Night: Edgar vs. The Korean Zombie | Women’s Strawweight | Amanda Lemos def. Miranda Granger | Technical Submission (rear-naked choke) | 1 | 3:43 |
| 2017-07-16 | UFC Fight Night: Nelson vs. Ponzinibbio | Women’s Bantamweight | Leslie Smith def. Amanda Lemos | TKO (punches and elbows) | 2 | 2:53 |