Kim Yoon-ji (born March 16, 1989), known professionally as Jung So-min, is a South Korean actress. Jung made her screen debut in 2010 with a supporting role in the television series Bad Guy. She then got her first leading role that same year in the romantic comedy television series Playful Kiss. She is known for her leading roles in the television series Because This Is My First Life (2017), Alchemy of Souls (2022), Love Next Door (2024), and Would You Marry Me? (2025), as well as the film Love Reset (2023).