Sarah Dreher (born March 26, 1937, Hanover, Pennsylvania – died April 2, 2012, Amherst, Massachusetts) was an American lesbian novelist and playwright, and best known for her award-winning lesbian mystery series featuring amateur sleuth Stoner McTavish. Dreher has contributed essays and writings to a number of projects, including Off the Rag: Lesbians Writing about Menopause by Lee Lynch and Akia Woods, "Waiting for Stonewall" in Sexual Practice/Textual Theory: Lesbian Cultural Criticism, and a contributed chapter to They Wrote the Book: Thirteen Women Mystery Writers Tell All.