JJ Aldrich

JJ Aldrich (born September 29, 1992) is an American mixed martial artist who competes in the Flyweight division. She is currently signed with the Ultimate Fighting Championship and has fought for Invicta FC. As of June 20, 2026, she is #12 in the Meta UFC women's flyweight rankings.

Early life Aldrich was born to a homeless single mother in Denver, Colorado. She grew up in homeless shelters with her mother and older sister, her father had gone to prison before she was born.

Mixed martial arts career Amateur career In 2010 Aldrich began looking for amateur bouts, eventually capturing several amateur titles in various organizations. and she won the fight via unanimous decision (30-27, 30–27, 30–26).

Her next fight come one year later on February 27, 2015, at Invicta FC 11: Cyborg vs. Tweet, against Jamie Moyle where she lost in round one via rear-naked choke.

Aldrich was scheduled to face Daniela Kortmann on September 12, 2015, at Invicta FC 14: Evinger vs. Kianzad; however Kortmann was forced to pull from the card due to visa issue and was replaced by Rosa Acevedo. She won the fight via first-round knockout. She was awarded the Performance of the Night bonus award.

The Ultimate Fighter JJ Aldrich was a contestant on The Ultimate Fighter: Team Joanna vs. Team Cláudia. In the competition, Aldrich defeated Kristi Lopez by unanimous decision in the elimination round, then lost in the quarterfinals to Tatiana Suarez in round 2 by submission via rear-naked choke.

Freestyle Cage Fighting Aldrich faced Kathina Caton in September 2016 at Freestyle Cage Fighting 53. She won the fight in round one via technical knockout.

Return to Invicta Aldrich faced Lynn Alvarez on November 18, 2016, at Invicta FC: Evinger vs. Kunitskaya and she defeated Alvarez via unanimous decision. She was awarded her second Invicta Performance of the Night bonus award.

Ultimate Fighting Championship She signed with the UFC to fight Juliana Lima for UFC Fight Night 102 in Albany, New York on December 9, 2016. Aldrich was a late replacement for Lima's original opponent, Tatiana Suarez, who had to pull out of the bout due to injury. She lost the fight via unanimous decision.

Aldrich faced South Korean fighter Chan-Mi Jeon in Jeon's UFC debut for UFC Fight Night 110 in Auckland, New Zealand on June 11, 2017. She won the fight via unanimous decision.

Aldrich faced Danielle Taylor on January 14, 2018, at UFC Fight Night 124. She won the fight via unanimous decision.

Aldrich faced Polyana Viana on August 4, 2018, at UFC 227. She won the fight via unanimous decision.

Return to flyweight Aldrich returned to flyweight to face Maycee Barber at UFC Fight Night 148 on March 23, 2019. Aldrich lost the fight via technical knockout in round two.

Aldrich faced Lauren Mueller on October 12, 2019, at UFC Fight Night 161 She won the fight via unanimous decision.

Aldrich faced Sabina Mazo on January 18, 2020, at UFC 246. She lost the fight by split decision.

Aldrich faced Cortney Casey on March 13, 2021 at UFC Fight Night 187. She won the fight by split decision.

Aldrich was scheduled to face Tracy Cortez on August 28, 2021, at UFC on ESPN 30. However, Cortez was pulled from the fight due to injury, and she was replaced by Vanessa Demopoulos. Aldrich won the fight via unanimous decision.

Aldrich was scheduled to face Ariane Lipski on March 12, 2022, at UFC Fight Night 203. However, Lipski was removed from her match for undisclosed reasons, and she was replaced by Gillian Robertson. She won the fight via unanimous decision.

Aldrich faced Erin Blanchfield on June 4, 2022, at UFC Fight Night 207. She lost the bout via guillotine choke in the second round.

Aldrich faced Ariane Lipski on March 11, 2023 at UFC Fight Night 221. She lost the fight via unanimous decision.

Aldrich faced Na Liang at UFC Fight Night 225 on August 26, 2023. She won the bout via ground and pound TKO stoppage at the end of the second round.

Aldrich faced Montana De La Rosa, replacing Stephanie Egger, at UFC Fight Night 229 on October 7, 2023. She won the fight via unanimous decision.

Aldrich faced Veronica Hardy at UFC on ESPN 56 on May 11, 2024. She lost the fight by unanimous decision.

Aldrich faced Andrea Lee on March 1, 2025 at UFC Fight Night 253. She won the fight by unanimous decision.

Aldrich was scheduled to face Karine Silva on August 16, 2025 at UFC 319. However, Aldrich withdrew from the fight for undisclosed reasons and was replaced by Dione Barbosa.

Aldrich faced Jamey-Lyn Horth on April 18, 2026 at UFC Fight Night 273. She won the fight by unanimous decision. 9 out of 10 media outlets scored the bout for Horth.

Aldrich is scheduled to face Regina Tarin on September 12, 2026 at UFC Fight Night 288.

Championships and accomplishments Mixed martial arts Ultimate Fighting Championship Tied (Ariane da Silva & Gillian Robertson) for fourth most bouts in UFC Women's Flyweight division history (13) Tied (Valentina Shevchenko) for second most decision wins in UFC Flyweight division history (7)

Invicta FC Performance of the Night (Two times)