Ryu Hye‑rin, born on October 24, 1984 in Ulsan, is a South Korean actress and model. A graduate of Kyungsung University with a degree in Theatre and Film, she began her career on stage in 2009, debuting in the play The Time of the Slaughterhouse.

She gained public attention with her appearance in the hit film Sunny (2011), where her brief but unforgettable role as the "insult battle girl" became one of the movie's standout comedic moments. From there, Ryu Hye‑rin steadily built a diverse filmography, taking on roles in independent films, commercial features, and a wide range of television dramas.