Lynn Ahrens (born October 1, 1948) is an American writer and lyricist for the musical theatre, television and film. She has collaborated with Stephen Flaherty for many years. She won the Tony Award, Drama Desk Award, and Outer Critics Circle Award for the Broadway musical Ragtime. Together with Flaherty, they have written many musicals, including Lucky Stiff, Once on This Island, My Favorite Year, Ragtime, Seussical, A Man of No Importance, Dessa Rose, The Glorious Ones, Rocky, Little Dancer and currently on Broadway Anastasia.
She was also nominated for two Academy Awards and two Golden Globe Awards for the animated Twentieth Century Fox film Anastasia. She wrote the teleplay of her 1994 musical adaption of A Christmas Carol, with music by Alan Menken and lyrics by Ahrens. She was a mainstay writer and performer for ABC-TV's Schoolhouse Rock. Ahrens also wrote lyrics for the title song for After the Storm, the documentary film about young Hurricane Katrina survivors putting on Once On This Island.