Wait Until Dark is a play by Frederick Knott, first performed on Broadway in 1966 and often revived since then. A film version was released in 1967, and the play was published in the same year.

Wait Until Dark is a 1967 American psychological thriller film directed by Terence Young and produced by Mel Ferrer, from a screenplay by Robert Carrington and Jane-Howard Carrington, based on the 1966 play of the same name by Frederick Knott. The film stars Audrey Hepburn as a blind woman, Alan Arkin as a violent criminal searching for drugs, and Richard Crenna as another criminal, supported by Jack Weston, Julie Herrod, and Efrem Zimbalist Jr.