Ketlen Souza (15-6, 9) was born in Manaus, Amazonas, Brazil on August 18, 1995. At the age of 21 years on December 10, 2016, she made her professional MMA debut against Roberta Camila Rocha, winning the fight via 1st-round TKO.
On June 3, 2023, 27-year old Ketlen Souza made her UFC debut on her 17th professional MMA fight at UFC on ESPN: Kara-France vs. Albazi against a 29-year old Karine Silva but lost the fight via submission in the 1st round.
Souza's last fight was a 3-round split decision loss to Piera Rodriguez at UFC on ESPN: Taira vs. Park at age 29 on August 2, 2025. She is on a 2-fight losing streak.
She has fought five times in the UFC, and has a record of 2 wins and 3 losses in the promotion.
Some of Ketlen Souza's best fights have been against Marnic Mann and Yazmin Jauregui.
Souza has 6 losses on her MMA record.
| # | Date | Opponent | Promotion | Weight | Round | Method | Result |
|---|---|---|---|---|---|---|---|
21 | Aug 2, 2025 29 years, 11 months 15-6 (9) | Piera Rodriguez | UFC | ST | 3 | SD | LOSS |
20  | Feb 15, 2025 29 years, 5 months 15-5 (9) | 40 years, 1 months 17-14 (6) | UFC | ST | 3 | SD | LOSS |
19 | Sep 14, 2024 29 years 15-4 (9) | Yazmin Jauregui | UFC | ST | 1 | CKO | WIN Rear-naked choke |
18 | Apr 27, 2024 28 years, 8 months 14-4 (9) | Marnic Mann | UFC | ST | 3 | UD | WIN |
17  | Jun 3, 2023 27 years, 9 months 13-4 (9) | 29 years, 6 months 15-4 (15) | UFC | FL | 1 | SUB | LOSS Kneebar |
16 | Jan 18, 2023 27 years, 5 months 13-3 (9) | Kristina Williams | FL | 5 | UD | WIN Won Invicta FC flyweight title | |
15 | Sep 28, 2022 27 years, 1 months 12-3 (9) | Maiju Suotama | FL | 3 | UD | WIN | |
14 | Aug 5, 2021 25 years, 11 months 11-3 (9) | Gisele Moreira | BT | 5 | UD | WIN | |
13 | May 29, 2021 25 years, 9 months 10-3 (9) | Joane Milen | FL | 2 | TKO | WIN Punches | |
12 | May 14, 2021 25 years, 8 months 9-3 (8) | Erianny Castaneda | FL | 2 | TKO | WIN Retirement | |
11 | Sep 4, 2020 25 years 8-3 (7) | Dayane de Souza Cardoso | ST | 1 | KO | LOSS Punches | |
10 | May 24, 2019 23 years, 9 months 8-2 (7) | Ariane Carnelossi | ST | 3 | TKO | LOSS Body kick | |
9 | Mar 16, 2019 23 years, 6 months 8-1 (7) | Jessica Luanna | ST | 2 | TKO | WIN Punches | |
8 | Jul 28, 2018 22 years, 11 months 7-1 (6) | Erilene Rayla Nascimento | ST | 5 | TKO | WIN Punches | |
7 | Mar 31, 2018 22 years, 7 months 6-1 (5) | Fabiulane Melo | ST | 1 | SUB | LOSS Armbar | |
6 | Mar 10, 2018 22 years, 6 months 6-0 (5) | Andréia Cerdeira | ST | 2 | SUB | WIN Rear-naked choke | |
5 | Dec 21, 2017 22 years, 4 months 5-0 (4) | Paula Lira Pontes | ST | 1 | TKO | WIN Punches | |
4 | May 25, 2017 21 years, 9 months 4-0 (3) | Davina Maciel | ST | 1 | TKO | WIN Punches | |
3 | Jul 8, 2017 21 years, 10 months 3-0 (2) | Jamily Solarth | ST | 1 | TKO | WIN Punches | |
2 | May 18, 2017 21 years, 9 months 2-0 (1) | Erilene Rayla Nascimento | ST | 3 | UD | WIN | |
1 | Dec 10, 2016 21 years, 3 months 1-0 (1) | Roberta Camila Rocha | ST | 1 | TKO | WIN Punches |
