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Rose Gertrude Namajunas (born June 29, 1992) is an American professional mixed martial artist. She currently competes in the women's Flyweight division of the Ultimate Fighting Championship (UFC), and is a former two-time UFC Women's Strawweight Champion. As of October 21, 2025, she is #6 in the UFC women's flyweight rankings and as of October 28, 2025, she is #13 in the UFC women's pound-for-pound rankings.
| No. | Event | Fight | Date | Venue | City | PPV Buys |
| 1. | UFC 237 | Namajunas vs. Andrade | May 11, 2019 | Jeunesse Arena | Rio de Janeiro, Brazil | Not Disclosed |
| 21 matches | 14 wins | 7 losses |
| By knockout | 2 | 1 |
| By submission | 5 | 1 |
| By decision | 7 | 5 |
| Res. | Record | Opponent | Method | Event | Date | Round | Time | Location | Notes |
| Win | 14–7 | Miranda Maverick | Decision (unanimous) | UFC on ESPN: Usman vs. Buckley | June 14, 2025 | 3 | 5:00 | Atlanta, Georgia, United States | |
| Loss | 13–7 | Erin Blanchfield | Decision (unanimous) | UFC Fight Night: Moreno vs. Albazi | November 2, 2024 | 5 | 5:00 | Edmonton, Alberta, Canada | |
| Win | 13–6 | Tracy Cortez | Decision (unanimous) | UFC on ESPN: Namajunas vs. Cortez | July 13, 2024 | 5 | 5:00 | Denver, Colorado, United States | |
| Win | 12–6 | Amanda Ribas | Decision (unanimous) | UFC on ESPN: Ribas vs. Namajunas | March 23, 2024 | 5 | 5:00 | Las Vegas, Nevada, United States | |
| Loss | 11–6 | Manon Fiorot | Decision (unanimous) | UFC Fight Night: Gane vs. Spivac | September 2, 2023 | 3 | 5:00 | Paris, France | Flyweight debut. |
| Loss | 11–5 | Carla Esparza | Decision (split) | UFC 274 | May 7, 2022 | 5 | 5:00 | Phoenix, Arizona, United States | Lost the UFC Women's Strawweight Championship. |
| Win | 11–4 | Zhang Weili | Decision (split) | UFC 268 | November 6, 2021 | 5 | 5:00 | New York City, New York, United States | Defended the UFC Women's Strawweight Championship. |
| Win | 10–4 | Zhang Weili | KO (head kick) | UFC 261 | April 24, 2021 | 1 | 1:18 | Jacksonville, Florida, United States | Won the UFC Women's Strawweight Championship. Performance of the Night. |
| Win | 9–4 | Jéssica Andrade | Decision (split) | UFC 251 | July 12, 2020 | 3 | 5:00 | Abu Dhabi, United Arab Emirates | Fight of the Night. |
| Loss | 8–4 | Jéssica Andrade | KO (slam) | UFC 237 | May 11, 2019 | 2 | 2:58 | Rio de Janeiro, Brazil | Lost the UFC Women's Strawweight Championship. Fight of the Night. |
| Win | 8–3 | Joanna Jędrzejczyk | Decision (unanimous) | UFC 223 | April 7, 2018 | 5 | 5:00 | Brooklyn, New York, United States | Defended the UFC Women's Strawweight Championship. |
| Win | 7–3 | Joanna Jędrzejczyk | TKO (punches) | UFC 217 | November 4, 2017 | 1 | 3:03 | New York City, New York, United States | Won the UFC Women's Strawweight Championship. Performance of the Night. |
| Win | 6–3 | Michelle Waterson | Submission (rear-naked choke) | UFC on Fox: Johnson vs. Reis | April 15, 2017 | 2 | 2:47 | Kansas City, Missouri, United States | |
| Loss | 5–3 | Karolina Kowalkiewicz | Decision (split) | UFC 201 | July 30, 2016 | 3 | 5:00 | Atlanta, Georgia, United States | Fight of the Night. |
| Win | 5–2 | Tecia Torres | Decision (unanimous) | UFC on Fox: Teixeira vs. Evans | April 16, 2016 | 3 | 5:00 | Tampa, Florida, United States | |
| Win | 4–2 | Paige VanZant | Submission (rear-naked choke) | UFC Fight Night: Namajunas vs. VanZant | December 10, 2015 | 5 | 2:25 | Las Vegas, Nevada, United States | Performance of the Night. |
| Win | 3–2 | Angela Hill | Submission (rear-naked choke) | UFC 192 | October 3, 2015 | 1 | 2:47 | Houston, Texas, United States | |
| Loss | 2–2 | Carla Esparza | Submission (rear-naked choke) | The Ultimate Fighter: A Champion Will Be Crowned Finale | December 12, 2014 | 3 | 1:26 | Las Vegas, Nevada, United States | For the inaugural UFC Women's Strawweight Championship. The Ultimate Fighter 20 Women's Strawweight Tournament Final. |
| Loss | 2–1 | Tecia Torres | Decision (unanimous) | Invicta FC 6 | July 13, 2013 | 3 | 5:00 | Kansas City, Missouri, United States | |
| Win | 2–0 | Kathina Catron | Submission (flying armbar) | Invicta FC 5 | April 5, 2013 | 1 | 0:12 | Kansas City, Missouri, United States | Submission of the Night. |
| Win | 1–0 | Emily Kagan | Submission (rear-naked choke) | Invicta FC 4 | January 5, 2013 | 3 | 3:44 | Kansas City, Kansas, United States | Strawweight debut. Submission of the Night. |
| Exhibition record breakdown | ||
| 3 matches | 3 wins | 0 losses |
| By submission | 3 | 0 |
| Res. | Record | Opponent | Method | Event | Date | Round | Time | Location | Notes |
| Win | 3–0 | Randa Markos | Submission (kimura) | The Ultimate Fighter: A Champion Will Be Crowned | August 14, 2014(December 10, 2014 airdate) | 1 | 2:45 | Las Vegas, Nevada, United States | The Ultimate Fighter 20 Semifinal round. |
| Win | 2–0 | Joanne Calderwood | Submission (kimura) | August 6, 2014(December 3, 2014 airdate) | 2 | 2:06 | The Ultimate Fighter 20 Quarterfinal round. | ||
| Win | 1–0 | Alex Chambers | Submission (rear-naked choke) | July 28, 2014(November 5, 2014 airdate) | 1 | 4:38 | The Ultimate Fighter 20 Elimination round. |
| Amateur record breakdown | ||
| 4 matches | 4 wins | 0 losses |
| By knockout | 2 | 0 |
| By decision | 2 | 0 |
| Res. | Record | Opponent | Method | Event | Date | Round | Time | Location | Notes |
| Win | 4–0 | Jen Aniano | TKO (head kick and punches) | KOTC: Trump Card | 30 June 2012 | 1 | 0:33 | Lac du Flambeau, Wisconsin | Strawweight bout. Lake of the Torches Resort Casino |
| Win | 3–0 | Moriel Charneski | Decision (unanimous) | KOTC: March Mania | 17 March 2012 | 3 | 3:00 | Walker, Minnesota | 130 lb bout. Northern Lights Casino. |
| Win | 2–0 | Heather Bassett | Decision (unanimous) | KOTC: Winter Warriors | 10 December 2011 | 3 | 3:00 | Walker, Minnesota | Flyweight bout. Judges scores: 30–28, 30–27, 29–28. Northern Lights Casino. |
| Win | 1–0 | Melissa Pacheco | TKO (punches) | North American Fight Championship: Relentless | 7 August 2010 | 1 | 2:51 | West Allis, Wisconsin | Flyweight bout. Main Stage, 2010 Wisconsin State Fair. |
| 1 match | 0 wins | 1 loss |
| By submission | 0 | 1 |
| Result | Record | Opponent | Method | Event | Division | Type | Year | Location |
| Loss | 0–1 | Gillian Robertson | Submission (rear-naked choke) | Fury Pro Grappling 6 | Superfight | Nogi | December 30, 2022 | Philadelphia, PA |
| Achievements | ||
| Preceded byJoanna Jędrzejczyk | 3rd UFC Women's Strawweight Champion November 4, 2017 – May 11, 2019 | Succeeded byJéssica Andrade |
| Preceded byZhang Weili | 6th UFC Women's Strawweight Champion April 24, 2021 – May 7, 2022 | Succeeded byCarla Esparza |
| Awards | ||
| Preceded byAmanda Nunes | World MMA Female Fighter of the Year 2017 | Succeeded byAmanda Nunes |
| Preceded byMichael Bisping | World MMA Upset of the Year 2017 vs. Joanna Jędrzejczyk at UFC 217 | Succeeded byAmanda Nunes |
| Preceded byAmanda Nunes | World MMA Fighter of the Year 2020–21 | Succeeded byValentina Shevchenko |