Shin Sia
- Born
- 12 May 1998 (28 years)
- Place of birth
- South Korea
- Gender
- Female
Shin Si-ah (born 12 May 1998), is a South Korean actress. She made her debut as the lead in Park Hoon-jung's film The Witch: Part 2. The Other One. Since then, she appeared in the drama Resident Playbook as Pyo Nam-kyung, an obstetrics and gynecology resident.
