Heather Joan Graham (born January 29, 1970 in Milwaukee, Wisconsin) is an American actress.

Her father is a retired FBI agent. Her mother is a writer of books for children. Her sister, Aimee, is an actress and a writer. Heather's parents are Catholics. They did not want their daughter to make any movies about sex. She does not talk to her parents now.

Graham was a student at the University of California at Los Angeles. She met James Woods when she was a student. She stopped going to college so she could become an actress.

Graham was in the movie Drugstore Cowboy in 1989. In 1997, She was in the movie Boogie Nights. She played a character called "Roller Girl". She was in the movie Austin Powers: The Spy Who Shagged Me in 1999. She played a character called "Felicity Shagwell". She was in the movie From Hell in 2001. She played a character called "Mary Kelly".

She was in several episodes of the television series Scrubs in 2004 and 2005.

Pictures of Graham were used in advertisements for Garnier hair care products and for Skyy vodka.

Graham has dated several famous men.