Seo Soo-jin
Birthday: 3/9/1998
Gender: Female
Place Of Birth: Hwaseong, Gyeonggi, South Korea

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 (G)I-dle. In November 2023, she did her solo redebut.