Shin Eun Soo
- Name: 신은수 / Shin Eun Soo (Sin Eun Su)
- Profession: Actress
- Birthdate: 2002-Oct-23 (age 16)
- Birthplace: South Korea
- Star sign: Scorpio
- Talent agency: JYP Entertainment
- Originally joined JYP Entertainment in 2014 as a K-pop idol trainee, training with some future members of Twice.