Sojin (소진) is a South Korean singer and actress currently under Noon Company. She is a member of the Korean Pop girl group Girl's Day.
- Stage Name: Sojin (소진)
- Birth Name: Park Sojin (박소진)
- Birthdate: May 21, 1986
- Birthplace: Daegu, South Korea
- Blood Type: AB
- Height: 167cm
- Weight: 49kg
- Education: Yeungnam University (Mechanical Engineering Major)
- Hobby: Cleaning, searching for a good song, writing music, browsing youtube video, Shopping, eating snacks and playing piano
- Specialty: Piano and Calligraphy
- She won an award at a math competition during her junior high school days.