Untamed Heart is a 1993 American romantic drama film directed by Tony Bill, written by Tom Sierchio, and starring Christian Slater and Marisa Tomei. It tells the story of an unlikely romance between a young woman unlucky in love and a shy young man who has a heart defect. The original music score was composed by Cliff Eidelman, and includes a classical arrangement of "Nature Boy". A remix of the 1987 Suzanne Vega song "Tom's Diner" is featured in the opening scene.

Gerard Anthony Bill is an American actor, producer, and director. He produced the 1973 movie The Sting, for which he shared the Academy Award for Best Picture with Michael Phillips and Julia Phillips. As an actor, Bill had supporting roles in Come Blow Your Horn (1963), Shampoo (1975), Pee-wee's Big Adventure (1985), and Less than Zero (1987). He made his directorial debut with My Bodyguard (1980) and directed movies Six Weeks (1982), Five Corners (1987), Crazy People (1990), Untamed Heart (1993), and Flyboys (2006).