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Katlyn Cerminara (née Chookagian; born December 28, 1988) is an American professional mixed martial artist. She formerly competed in the Bantamweight division and currently competes in the women's Flyweight division of the Ultimate Fighting Championship (UFC).
| 24 matches | 18 wins | 6 losses |
| By knockout | 2 | 2 |
| By submission | 1 | 0 |
| By decision | 15 | 4 |
| Res. | Record | Opponent | Method | Event | Date | Round | Time | Location | Notes |
| Loss | 18–6 | Maycee Barber | Decision (unanimous) | UFC 299 | March 9, 2024 | 3 | 5:00 | Miami, Florida, United States | |
| Loss | 18–5 | Manon Fiorot | Decision (unanimous) | UFC 280 | October 22, 2022 | 3 | 5:00 | Abu Dhabi, United Arab Emirates | Catchweight (127.5 lb) bout; Cerminara missed weight. |
| Win | 18–4 | Amanda Ribas | Decision (split) | UFC on ESPN: Błachowicz vs. Rakić | May 14, 2022 | 3 | 5:00 | Las Vegas, Nevada, United States | Fight of the Night. |
| Win | 17–4 | Jennifer Maia | Decision (unanimous) | UFC on ESPN: Kattar vs. Chikadze | January 15, 2022 | 3 | 5:00 | Las Vegas, Nevada, United States | |
| Win | 16–4 | Viviane Araújo | Decision (unanimous) | UFC 262 | May 15, 2021 | 3 | 5:00 | Houston, Texas, United States | |
| Win | 15–4 | Cynthia Calvillo | Decision (unanimous) | UFC 255 | November 21, 2020 | 3 | 5:00 | Las Vegas, Nevada, United States | |
| Loss | 14–4 | Jéssica Andrade | KO (punches to the body) | UFC Fight Night: Ortega vs. The Korean Zombie | October 18, 2020 | 1 | 4:55 | Abu Dhabi, United Arab Emirates | |
| Win | 14–3 | Antonina Shevchenko | Decision (unanimous) | UFC on ESPN: Woodley vs. Burns | May 30, 2020 | 3 | 5:00 | Las Vegas, Nevada, United States | |
| Loss | 13–3 | Valentina Shevchenko | TKO (elbows and punches) | UFC 247 | February 8, 2020 | 3 | 1:03 | Houston, Texas, United States | For the UFC Women's Flyweight Championship. |
| Win | 13–2 | Jennifer Maia | Decision (unanimous) | UFC 244 | November 2, 2019 | 3 | 5:00 | New York City, New York, United States | Catchweight (127.2 lb) bout; Maia missed weight. |
| Win | 12–2 | Joanne Calderwood | Decision (unanimous) | UFC 238 | June 8, 2019 | 3 | 5:00 | Chicago, Illinois, United States | |
| Loss | 11–2 | Jessica Eye | Decision (split) | UFC 231 | December 8, 2018 | 3 | 5:00 | Toronto, Ontario, Canada | |
| Win | 11–1 | Alexis Davis | Decision (unanimous) | UFC on Fox: Alvarez vs. Poirier 2 | July 28, 2018 | 3 | 5:00 | Calgary, Alberta, Canada | |
| Win | 10–1 | Mara Romero Borella | Decision (unanimous) | UFC on Fox: Jacaré vs. Brunson 2 | January 27, 2018 | 3 | 5:00 | Charlotte, North Carolina, United States | Return to Flyweight. |
| Win | 9–1 | Irene Aldana | Decision (split) | UFC 210 | April 8, 2017 | 3 | 5:00 | Buffalo, New York, United States | |
| Loss | 8–1 | Liz Carmouche | Decision (split) | UFC 205 | November 12, 2016 | 3 | 5:00 | New York City, New York, United States | |
| Win | 8–0 | Lauren Murphy | Decision (unanimous) | UFC Fight Night: McDonald vs. Lineker | July 13, 2016 | 3 | 5:00 | Sioux Falls, South Dakota, United States | |
| Win | 7–0 | Stephanie Bragayrac | KO (knee) | CFFC 57 | March 19, 2016 | 1 | 0:45 | Philadelphia, Pennsylvania, United States | Bantamweight debut. Won the CFFC Women's Bantamweight Championship. |
| Win | 6–0 | Isabelly Varela | Decision (unanimous) | CFFC 55 | January 9, 2016 | 5 | 5:00 | Atlantic City, New Jersey, United States | Won the vacant CFFC Women's Flyweight Championship. |
| Win | 5–0 | Sijara Eubanks | Decision (unanimous) | CFFC 52 | October 31, 2015 | 3 | 5:00 | Atlantic City, New Jersey, United States | |
| Win | 4–0 | Melinda Fábián | Submission (armbar) | PMMAL Hungarian Fight Championship 9 | May 9, 2015 | 1 | 4:33 | Budapest, Hungary | |
| Win | 3–0 | Linn Wennergren | Decision (unanimous) | PMMAL Hungarian Fight Championship 9 | May 9, 2015 | 3 | 5:00 | Budapest, Hungary | |
| Win | 2–0 | Brigitte Narcisse | KO (knees) | WSOF 13 | September 13, 2014 | 3 | 0:38 | Bethlehem, Pennsylvania, United States | Flyweight debut. |
| Win | 1–0 | Rebecca Heintzman | Decision (unanimous) | CFFC 37 | June 28, 2014 | 3 | 5:00 | Philadelphia, Pennsylvania, United States | Strawweight debut. |