Julija Stoliarenko (born 8 April 1993) is a Lithuanian mixed martial artist, Lethwei fighter, submission grappler and Brazilian jiu-jitsu (BJJ) black belt athlete.

Stoliarenko's father introduced her to karate when she was 12, eventually progressing towards Brazilian jiu-jitsu and mixed martial arts.

[12] On March 6, 2020, Julija defeated Liza Verzosa to win Invicta Bantamweight Championship.

[25] Stoliarenko, as a replacement for Leah Letson, faced Chelsea Chandler in a catchweight bout of 140 pounds on October 1, 2022 at UFC Fight Night 211.

[27] Stoliarenko faced Molly McCann in a flyweight bout on July 22, 2023, at UFC Fight Night 224.

Her bout proceeded at catchweight with Carolina forfeiting an undisclosed percentage of her purse, which went to Stoliarenko.

[34] Competing at the Abu Dhabi Grand Slam World Tour 2017–2018 – Tokyo in the −70 kg Purple division, she won silver after defeating Miyu Omani via submission.

[36] Promoted to brown belt, she won bronze at the 2018 World IBJJF Jiu-Jitsu Championship.