Son Ji-yoon (born February 18, 1983), born Son Su-jeong, is a South Korean actress. She made her debut in the play Sea Fog in 2007, primarily focusing on theater plays and some musicals in her portfolio. Starting from 2017, Son began taking on minor roles in films and television dramas.

Son's popularity as an actress in Daehangno is evident through her two nominations and one award as Best Supporting Actress at the StageTalk Audience's Choice Awards (SACA). She was nominated for Best Supporting Actress at SACA in 2016 for her roles in Gloria and Toc Toc. Son received another nomination at SACA in 2018 for Best Supporting Actress in the play The Helmet. Finally, she won the SACA Best Supporting Actress award in 2019 for her role as Sylvia in the play The Pride.