Kristin Dattilo (born November 30, 1970) is an American television actress, best known for playing Yola Gaylen on The Chris Isaak Show from 2001 to 2004. She appeared on an episode of CSI: Crime Scene Investigation, nine episodes of Dexter, and three episodes of Tracey Takes On..., and made many other television appearances, including Beverly Hills, 90210, Angel, Friends, Grounded for Life, Veronica Mars and Two and a Half Men.
She is the sister of actor Bryan Dattilo. They both were born in Kankakee, Illinois.
Dattilo is also remembered for her role as the titular song character in the music video of Aerosmith's 1989 record "Janie's Got a Gun".