Yoon So-hee is a South Korean actress. She was born in Stuttgart, Germany and lived there for six years before returning to Seoul.

In 2011, she enrolled as a Chemical and Biomolecular Engineering major at KAIST, one of the most prestigious colleges in South Korea. She made her appearance on tvN "Hit the S Style", where campus style icons were featured. She then appeared in the intermission video at "Super Show 5", a concert tour by Super Junior, followed by an uncredited cameo in the music video for SHINee's "Why So Serious?".