Yoon Jia (윤지아) is a South Korean singer. She is part of the girl group mimiirose as the main rapper.
On July 7, 2022, it was confirmed that she would be part of Mnet's new reality show Girls Planet 999, as shown in the prologue trailer featuring all the trainees. Her official profile came out on July 17. Sadly, in the eighth episode on September 24, it was announced that Jia didn't make it and ended up at K11 in the rankings.
She was revealed to be a member of mimiirose on September 1, 2022, along with the concept photos of their debut single, “Awesome”. They ultimately debuted on September 16, 2022.