Kim Ok-vin, also known as Kim Ok-bin, is a South Korean actress. She made her debut in an online beauty contest in 2004, and began her acting career with a role in the 2005 film Voice. She appeared in the television drama series Over the Rainbow, and in films such as Dasepo Naughty Girls, The Accidental Gangster and the Mistaken Courtesan and The Villainess. She has received several award nominations, and won Best Actress at the 2009 Sitges Film Festival for her role in Thirst.

Voice is a 2005 South Korean horror film, and the fourth installment of the Whispering Corridors film series. The film was the debut film for its three young actresses, as well as director Choi Ik-Hwan, who had served as an assistant director on the first film of the series.