Yoo Hye-in (유혜인, born June 15, 1993) is a South Korean actress and former member of the K-pop group Pure. She began her acting career with the 2015 feature film Summer Snow. She achieved widespread recognition through her leading roles in popular web drama series, most notably playing Yoo So-ni in Playlist Studio's Seventeen (2017) and Love Playlist (2017). Her television and feature film credits include Voice (2017), Top Management (2018), Possessed (2019), Search Out (2020), and A Superior Day (2022).