Seo Soo-jin
- Born
- 9 March 1998 (28 years)
- Place of birth
- Hwaseong, Gyeonggi, South Korea
- Gender
- Female
Seo Soo-jin (서수진), better known mononymously as Soojin (수진), is a South Korean singer and dancer. She is a former member of the girl group i-dle previously known as (G)I-DLE. In November 2023, she re-debuted as a solo artist under BRD Entertainment.
