Im Yeo-jin (; born November 11, 2002) is a South Korean singer. She is a member of Loona and its spinoff Loossemble. She debuted as a soloist on March 3, 2026 with her single album Lv1.
Im Yeo-jin was born on November 11, 2002 in Daegu, South Korea. Yeojin graduated from School of Performing Arts Seoul in 2021.
On December 30, 2016, Blockberry Creative began teasing the fourth member of girl group Loona, revealed as Yeojin on January 4. Yeojin's eponymously titled debut single album was released on January 16, along with music videos for the title track "Kiss Later" and B-sides "My Sunday" and "My Melody". Yeojin debuted with Loona as a full group on August 20, 2018, through the EP [+ +].
In 2021, Loona members YeoJin, Kim Lip, Go Won, and Choerry collaborated with children's television show Cocomong to release the singles "Yum-Yum" and "Yummy-Yummy".
On November 28, JTBC Entertainment News reported that nine members of Loona, including Yeojin, had filed an application for a provisional injunction to suspend their exclusive contract with Blockberry Creative, following member Chuu's expulsion three days earlier. On June 16, the Seoul High Court ruled in Yeojin's favor, suspending her contract with Blockberry Creative.
On July 5, 2023, Yeojin signed an exclusive contract with CTDENM. On August 2, she was revealed as a member of Loossemble along with Loona members Hyunjin, Vivi, Go Won, and Hyeju. The group debuted on September 15 with their self-titled EP. On November 29, 2024, CTDENM announced that the Loossemble members' exclusive contracts with the label had ended.
On June 8, 2025, Yeojin released the single "Dancing in the Dark" through entertainment company MUMW. On January 26, 2026, MUMW announced Yeojin had signed an exclusive contract with the label. On February 13, MUMW shared an unreleased song by Yeojin titled "My Valentine" through their Youtube channel, stating the song would be included in an official album in the future. On March 10, Yeojin released her debut single album Lv1 with the title track "Sugar Talk".
All credits are adapted from the Korea Music Copyright Association.