Lauren Mueller (born November 15, 1991) is an American former mixed martial artist, who fought in the Bantamweight division. A professional competitor from 2015 to 2021, she competed in the UFC, Invicta FC, and Gladiator Challenge.
Mueller did motocross, softball and volleyball among others growing up, eventually picking up mixed martial arts after high school. She stopped working as a full-time nurse to pursue a career in the sport.
Lauren Mueller made her mixed martial arts debut in 2015, during Gladiator Challenge - Contenders, when she faced Peggy Ross. She won the fight by unanimous decision. Fighting with the same organization, she won another unanimous decision against Hannah Fitzpatrick and scored a TKO win over Faye Shields.
In 2017 she fought under Dana White's Contender Series at Dana White's Contender Series 8 against Kelly McGill-Velasco, and won a unanimous decision. This victory earned her a contract with the UFC.
Mueller made her UFC debut as a replacement for Wu Yanan, fighting Shana Dobson at , on five weeks notice. Mueller won the fight through a unanimous decision.
She was then scheduled to fight against Wu Yanan during . Mueller suffered her first professional loss, losing by way of an armbar in the first round.
During UFC 236 she fought Poliana Botelho replacing injured Paige VanZant. She lost a unanimous decision.
During Mueller faced JJ Aldrich. She would lose a unanimous decision.
Mueller was released from UFC in December 2019.
Mueller faced Serena DeJesus at on August 27, 2021. Mueller lost via split decision.
Mueller was scheduled to face Claire Guthrie on January 12, 2022 at . The bout was scratched for unknown reasons.
|- |Loss |align=center|5âÂÂ4 |Serena DeJesus |Decision (split) | | |align=center|3 |align=center|5:00 |Kansas City, Kansas, United States | |- |Loss |align=center|5âÂÂ3 |JJ Aldrich |Decision (unanimous) | | |align=center|3 |align=center|5:00 |Tampa, Florida, United States | |- |Loss |align=center|5âÂÂ2 |Poliana Botelho |Decision (unanimous) |UFC 236 | |align=center|3 |align=center|5:00 |Atlanta, Georgia, United States | |- |Loss |align=center|5âÂÂ1 |Wu Yanan |Submission (armbar) | | |align=center|1 |align=center|4:00 |Beijing, China | |- |Win |align=center|5âÂÂ0 |Shana Dobson |Decision (unanimous) | | |align=center|3 |align=center|5:00 |Glendale, Arizona, United States | |- |Win |align=center|4âÂÂ0 |Kelly McGill-Velasco |Decision (unanimous) |Dana White's Contender Series 8 | |align=center|3 |align=center|5:00 |Las Vegas, Nevada, United States | |- |Win |align=center|3âÂÂ0 |Hannah Fitzpatrick |Decision (unanimous) |Gladiator Challenge - Freedom Strikes | |align=center|3 |align=center|5:00 |El Cajon, California, United States | |- |Win |align=center|2âÂÂ0 |Faye Shields |TKO (submission to punches) |Gladiator Challenge - MMA Smackdown | |align=center|1 |align=center|1:01 |El Cajon, California, United States | |- |Win |align=center|1âÂÂ0 |Peggy Ross |Decision (unanimous) |Gladiator Challenge - Contenders | |align=center|3 |align=center|5:00 |El Cajon, California, United States | |-