Sybil is a 1973 book by Flora Rheta Schreiber about the treatment of Sybil Dorsett for dissociative identity disorder by her psychoanalyst, Cornelia B. Wilbur.

Sybil is a 1976 two-part, 3+1⁄4-hour American made-for-television film starring Sally Field and Joanne Woodward. It is based on the book of the same name, and it was broadcast on NBC on November 14–15, 1976.