Shelley Marie Hack (born July 6, 1947) is an American actress.

Hack was born in Greenwich, Connecticut. She graduated from Greenwich Academy and Smith College. She is perhaps best known for her short lived role as Tiffany Welles in the television series Charlie's Angels. She began her career as a teen fashion model and became the image associated with Revlon's Charlie perfume in the mid 1970s which gave her national exposure on television. Hack is married to Harry Winer with whom she has one daughter.

Shelley appeared as a guest performer as the Ballerina in 1992, in the highly acclaimed, living theatrical performance of Tamara the play, in L.A.'s Hollywood production. She quit acting in 1997.

In January 2008, Shelley made an appearance on The Oprah Winfrey Show. The episode, Classic Americana, featured Shelley as the Charlie perfume model in this famous 1976 Charlie TV ad with Bobby Short at the piano. "I wanted to stride like her with confidence. I wanted to