Jennifer Tilly (born September 16, 1958 in Harbor City, California) is an American actress who has starred in many major films as well as independent features. She has a younger sister, Meg, who is also an actress (albeit currently retired), another sister, Rebecca and an older brother.

Tilly was born Jennifer E. Chan to a Chinese stockbroker and was raised in Victoria, British Columbia, Canada. ("Tilly" is her mother's maiden name.) She attended Belmont High School along with her two sisters. She began her acting career as a teenager, putting herself through the theater program at Stephens College in Missouri.

Her breakthrough film role was as a singing waitress in The Fabulous Baker Boys (1989) in a part that was specially written for her by Steve Kloves. She was nominated for the Academy Award for Best Actress in a Supporting Role for her role as a hopelessly bad actress in Woody Allen's Bullets Over Broadway (1994).

Tilly gained some additional popularity in recent years for providing voice-over work as killer doll Tiffany for the Child's Play series of movies. In the most recent installment, Seed of Chucky, she plays a dual role, not only providing the voice for Tiffany, but also playing an exaggerated version of herself.

Tilly is a semi-regular cast member on Family Guy, voicing the Griffin family's neighbor, Bonnie. She has also done vocal work for the film Monsters, Inc. and the children's series Hey Arnold. She has been active in the theatre, winning a Theater World Award for her performance in the off-Broadway play One Shoe Off.

Tilly married The Simpsons producer Sam Simon in 1984, but they divorced in 1991 without children.

On June 27, 2005, Tilly won a World Series of Poker bracelet (and $158,625) in the Ladies' No-Limit Texas Hold 'Em event, outlasting 600 other players. She followed up this accomplishment on September 1, 2005 by also winning the third World Poker Tour Ladies Invitational Tournament held at the Bicycle Casino in Los Angeles.

Tilly is currently dating poker professional Phil "Unabomber" Laak and is nicknamed "The Unabombshell" within the poker circuit.