Hong Ji-yoon made her debut in tvN's Criminal Minds in 2017, as Park In-hye.

[4] She played a supporting role in Netflix's original series My First First Love with Ji Soo, Jung Chae-yeon and Jin Young.

[5] She made a cameo appeared as actress Ruby in My Absolute Boyfriend.

[6] Hong Ji-yoon has also partaken in the drama My Country: The New Age which premiered in September 2019 on JTBC.

[7] In 2022, she starred in the SBS romantic comedy drama Woori the Virgin.